Acquisition method (AMC)
1
FSC 5305 × SCREW,CLOSE TOLERANCE
SCREW,CLOSE TOLERANCE
5305-01-172-5571 FSC 5305
NSN 5305-01-172-5571 (also written 5305011725571; NIIN 01-172-5571) is a screw, close tolerance in Federal Supply Class 5305, Screws. 12 manufacturer part numbers from 12 suppliers are on record. It was last purchased in Nov 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Dimensioned drawing
Generated from the federal catalog's dimensional data for this NSN — reference only, not a manufacturing drawing.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| THREAD CLASS AAJD | 3A |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| THREAD LENGTH AASA | INCHES MINIMUM 0.378 AND INCHES MAXIMUM 0.428 |
| FASTENER LENGTH AASB | INCHES MINIMUM 0.575 AND INCHES MAXIMUM 0.605 |
| HEAD STYLE AASK | — |
| HEAD DIAMETER AASL | INCHES MINIMUM 0.464 AND INCHES MAXIMUM 0.507 |
| GRIP DIAMETER AAUR | INCHES MINIMUM 0.2490 AND INCHES MAXIMUM 0.2495 |
| INTERNAL DRIVE STYLE ABQZ | — |
| NOMINAL THREAD DIAMETER AHYM | INCHES 0.250 |
| GRIP LENGTH ANEE | INCHES MINIMUM 0.177 AND INCHES MAXIMUM 0.197 |
| THREAD QUANTITY PER INCH CMLP | 28 |
| MINIMUM TENSILE STRENGTH CQBC | POUNDS PER SQUARE INCH 160000 |
| COUNTERSINK ANGLE CRSQ | DEGREES MINIMUM 99.0 AND DEGREES MAXIMUM 101.0 |
| SURFACE FINISH CSYM | GRIP MICROINCHES 32.0 |
| SURFACE FINISH CSYM | THREADS MICROINCHES 32.0 |
| MATERIAL MATT | OVERALL TITANIUM ALLOY |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 4967 CO- 6AL-4V |
| THREAD SERIES DESIGNATOR THSD | UNIFIED NATIONAL JOINT FINE (UNJF) |
| SPECIFICATION/STANDARD DATA ZZZK | PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 80205-NAS1580 NAS1580 |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| 03A174-4-3 | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN COMPUTING SYSTEMS |
| 123743-4-3 | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA |
| AIC1652-4-3 | 06725 | SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY |
| HR240-4-3 | 73197 | HI-SHEAR CORPORATION |
| HR240-4-3 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
| NAS1580V4T3 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
| PBF1417-4-3 | 27624 | SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS |
| SC3102-4-3 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| SC3102-4-3 | 0PTK6 | SPS TECHNOLOGIES INC |
| SLB146-4-3 | 16258 | SPACE-LOK, INC. DBA SPACE-LOK INC DIV SPACE-LOK |
| T009-4-3 | 17446 | HUCK INTERNATIONAL, INC |
| T009-4-3 | 97928 | HUCK INTL INC |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
$2.50
Purchases
1
Total spend
$237.50
Nov 2, 2026
Last purchased
2 · 2.0/yr
Purchase records
$475.00
Total demand
$2.50
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Nov 2, 2026 | 95 | $2.50 | $237.50 | APOLLO AEROSPACE COMPONENTS LLC (00360) | Unknown | Source ↗ |
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Nov 2, 2026 | SPE4A627P4309 ↗ | APOLLO AEROSPACE COMPONENTS LLC | — | $237.50 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
APOLLO AEROSPACE COMPONENTS LLC
last award Nov 2026
HI-SHEAR CORPORATION
no award yet
no awards on record
Listed source HOWMET GLOBAL FASTENING SYSTEMS INC
no award yet
no awards on record
Listed source HUCK INTERNATIONAL, INC
no award yet
no awards on record
Listed source HUCK INTL INC
no award yet
no awards on record
Listed source LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
no award yet
no awards on record
Listed source NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
no award yet
no awards on record
Listed source NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN COMPUTING SYSTEMS
no award yet
no awards on record
Listed source APOLLO AEROSPACE COMPONENTS LLC won the only award on record. APOLLO AEROSPACE COMPONENTS LLC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-19YB | Aug 19, 2026 | Aug 26, 2026 | 95 | Expired | View at DIBBS → |
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-03.
- Full methodology →
Cite this page
Citation
NSN Explorer. "SCREW,CLOSE TOLERANCE." nsnexplorer.com, https://nsnexplorer.com/nsn/5305-01-172-5571/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5305-01-172-5571/