Acquisition method (AMC)
1
FSC 5305 × SCREW,CLOSE TOLERANCE
SCREW,CLOSE TOLERANCE
5305-01-191-0416 FSC 5305
NSN 5305-01-191-0416 (also written 5305011910416; NIIN 01-191-0416) is a screw, close tolerance in Federal Supply Class 5305, Screws. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 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 0.376 AND INCHES MAXIMUM 0.426 |
| FASTENER LENGTH AASB | INCHES MINIMUM 0.761 AND INCHES MAXIMUM 0.791 |
| HEAD STYLE AASK | — |
| HEAD DIAMETER AASL | INCHES MINIMUM 0.350 AND INCHES MAXIMUM 0.399 |
| GRIP DIAMETER AAUR | INCHES MINIMUM 0.2485 AND INCHES MAXIMUM 0.2495 |
| INTERNAL DRIVE STYLE ABQZ | — |
| NOMINAL THREAD DIAMETER AHYM | INCHES 0.250 |
| GRIP LENGTH ANEE | INCHES MINIMUM 0.365 AND INCHES MAXIMUM 0.385 |
| 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 | THREADS MICROINCHES 32.0 |
| SURFACE FINISH CSYM | GRIP MICROINCHES 32.0 |
| SPECIAL FEATURES FEAT | DRIVE RIBBED |
| MATERIAL MATT | OVERALL IRON ALLOY 660 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S5731 OR ASSN STD SINGLE MATERIAL RESPONSE A-S5732 OR ASSN STD SINGLE MATERIAL RESPONSE A-S5737 |
| SURFACE TREATMENT SFTT | OVERALL PASSIVATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--35 QQ--35 |
| THREAD SERIES DESIGNATOR THSD | UNIFIED NATIONAL JOINT FINE (UNJF) |
| SPECIFICATION/STANDARD DATA ZZZK | PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 80205-NAS1581 NAS1581 |
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 |
|---|---|---|
| NAS1581C4R6 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
| NAS1581C4R6 | 88277 | THE BOEING COMPANY |
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
$3.40
Purchases
1
Total spend
$445.40
Oct 5, 2026
Last purchased
2 · 2.0/yr
Purchase records
$890.80
Total demand
$3.40
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 5, 2026 | 131 | $3.40 | $445.40 | BOEING DISTRIBUTION SERVICES X, INC. (2N935) | 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 |
|---|---|---|---|---|
| Oct 5, 2026 | SPE4A627V0214 ↗ | BOEING DISTRIBUTION SERVICES X, INC. | — | $445.40 |
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
BOEING DISTRIBUTION SERVICES X, INC.
last award Oct 2026
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 THE BOEING COMPANY
no award yet
no awards on record
Listed source BOEING DISTRIBUTION SERVICES X, INC. won the only award on record. BOEING DISTRIBUTION SERVICES X, INC. won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-37KQ | Sep 29, 2026 | Oct 6, 2026 | 131 | 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: 2026-10-08.
- Full methodology →
Cite this page
Citation
NSN Explorer. "SCREW,CLOSE TOLERANCE." nsnexplorer.com, https://nsnexplorer.com/nsn/5305-01-191-0416/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5305-01-191-0416/