Acquisition method (AMC)
1
FSC 5305 × SCREW,CLOSE TOLERANCE
SCREW,CLOSE TOLERANCE
5305-00-283-4586 FSC 5305
NSN 5305-00-283-4586 (also written 5305002834586; NIIN 00-283-4586) is a screw, close tolerance in Federal Supply Class 5305, Screws. 17 manufacturer part numbers from 14 suppliers are on record. It was last purchased in Sep 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)
C
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. 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 |
|---|---|
| SURFACE FINISH CSYM | GRIP MICROINCHES 32.0 |
| NOMINAL THREAD DIAMETER AHYM | INCHES 0.250 |
| THREAD LENGTH AASA | INCHES MINIMUM 0.443 AND INCHES MAXIMUM 0.510 |
| COUNTERSINK ANGLE CRSQ | DEGREES MINIMUM 99.5 AND DEGREES MAXIMUM 100.5 |
| THREAD SERIES DESIGNATOR THSD | UNIFIED NATIONAL JOINT FINE (UNJF) |
| GRIP LENGTH ANEE | INCHES MINIMUM 0.365 AND INCHES MAXIMUM 0.385 |
| SURFACE FINISH CSYM | THREADS MICROINCHES 32.0 |
| SPECIAL FEATURES FEAT | FURNISHED WITH ONE O-RING SEAL |
| MATERIAL MATT | OVERALL TITANIUM ALLOY |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE NAS621 CO- 6AL-4V OR ASSN STD SINGLE MATERIAL RESPONSE A-S4928 NAS621 |
| GRIP DIAMETER AAUR | INCHES MINIMUM 0.2490 AND INCHES MAXIMUM 0.2495 |
| THREAD CLASS AAJD | 3A |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| INTERNAL DRIVE STYLE ABQZ | — |
| FASTENER LENGTH AASB | INCHES MINIMUM 0.828 AND INCHES MAXIMUM 0.875 |
| HEAD STYLE AASK | — |
| HEAD DIAMETER AASL | INCHES MINIMUM 0.502 AND INCHES MAXIMUM 0.507 |
| HEAD HEIGHT AASU | INCHES MINIMUM 0.071 AND INCHES MAXIMUM 0.073 |
| THREAD QUANTITY PER INCH CMLP | 28 |
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 |
|---|---|---|
| 110179-4-6AS | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| 110179-4-6AS | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA |
| 110179-4-6AS | K5673 | SPS TECHNOLOGIES LTD, TJ BROOKS DIVISION |
| BM33024V4-6U | 17446 | HUCK INTERNATIONAL, INC |
| BM33024V4-6U | 97928 | HUCK INTL INC |
| HT271A4-6 | 73197 | HI-SHEAR CORPORATION |
| HT8137-4-6AS | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS |
| ST3M430V4-6AS | 007R1 | TWIST TITE MFG, INC DBA TWIST TITE MANUFACTURING INC |
| ST3M430V4-6AS | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| ST3M430V4-6AS | 0HDW7 | HUCK INTERNATIONAL, INC. DIV HUCK PRODUCTS DIVISION |
| ST3M430V4-6AS | 17446 | HUCK INTERNATIONAL, INC |
| ST3M430V4-6AS | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. |
| ST3M430V4-6AS | 73197 | HI-SHEAR CORPORATION |
| ST3M430V4-6AS | 76301 | THE BOEING COMPANY DIV DEFENSE |
| ST3M430V4-6AS | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA |
| ST3M430V4-6AS | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
| WC8137-4-6A | 60516 | WEST COAST AEROSPACE, 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
—
Purchases
0
Total spend
—
Sep 2, 2026
Last purchased
1 · 1.0/yr
Purchase records
$21,307
Total demand
$21,307
Latest award total
Purchase history
No priced purchases on record for this NSN yet.
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 |
|---|---|---|---|---|
| Sep 2, 2026 | SPE4A626P0F51 ↗ | DON INDUSTRIAL GROUP LLC | — | $21,307 |
Demand history
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
DON INDUSTRIAL GROUP LLC
last award Sep 2026
FASTENER INNOVATION TECHNOLOGY, INC.
no award yet
no awards on record
Listed source 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 HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS
no award yet
no awards on record
Listed source HUCK INTERNATIONAL, INC
no award yet
no awards on record
Listed source HUCK INTERNATIONAL, INC. DIV HUCK PRODUCTS DIVISION
no award yet
no awards on record
Listed source HUCK INTL INC
no award yet
no awards on record
Listed source DON INDUSTRIAL GROUP LLC won the only award on record. DON INDUSTRIAL GROUP LLC won without being a listed source.
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 27, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-25.
- Full methodology →
Cite this page
Citation
NSN Explorer. "SCREW,CLOSE TOLERANCE." nsnexplorer.com, https://nsnexplorer.com/nsn/5305-00-283-4586/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5305-00-283-4586/