Acquisition method (AMC)
1
FSC 5305 × SCREW,SHOULDER
SCREW,SHOULDER
5305-01-399-3101 FSC 5305
NSN 5305-01-399-3101 (also written 5305013993101; NIIN 01-399-3101) is a screw, shoulder in Federal Supply Class 5305, Screws. 3 manufacturer part numbers from 2 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)
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 NOMINAL 0.403 |
| FASTENER LENGTH AASB | INCHES MINIMUM 0.638 AND INCHES MAXIMUM 0.668 |
| HEAD STYLE AASK | — |
| HEAD DIAMETER AASL | INCHES MINIMUM 0.3504 AND INCHES MAXIMUM 0.3998 |
| SHOULDER DIAMETER AATN | FIRST SHOULDER INCHES MINIMUM 0.2641 AND INCHES MAXIMUM 0.2651 |
| SHOULDER LENGTH AATX | FIRST SHOULDER INCHES MINIMUM 0.240 AND INCHES MAXIMUM 0.260 |
| INTERNAL DRIVE STYLE ABQZ | — |
| NOMINAL THREAD DIAMETER AHYM | INCHES 0.250 |
| THREAD QUANTITY PER INCH CMLP | 28 |
| COUNTERSINK ANGLE CRSQ | DEGREES MINIMUM 99.0 AND DEGREES MAXIMUM 101.0 |
| SHOULDER SHAPE CWYB | FIRST SHOULDER ROUND |
| MATERIAL MATT | OVERALL STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 8740 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL MIL SPEC 1ST MATERIAL RESPONSE -IL-S-5626 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-5000 OR MIL SPEC 3RD MATERIAL RESPONSE -IL-S-6049 |
| SURFACE TREATMENT SFTT | OVERALL CADMIUM AND CHROMATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416 TY 2 CL2 QQ--416 |
| 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 |
|---|---|---|
| NAS1581A4T4X | 5M696 | UFC AEROSPACE CORP. |
| NAS1581F4T4X | 5M696 | UFC AEROSPACE CORP. |
| NAS1581F4T4X | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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 29, 2026
Last purchased
1 · 1.0/yr
Purchase records
$2,580
Total demand
$2,580
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 29, 2026 | SPE4A626PEEE7 ↗ | APOLLO AEROSPACE COMPONENTS LLC | — | $2,580 |
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
APOLLO AEROSPACE COMPONENTS LLC
last award Sep 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 UFC AEROSPACE CORP.
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.
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: 2026-09-30.
- Full methodology →
Cite this page
Citation
NSN Explorer. "SCREW,SHOULDER." nsnexplorer.com, https://nsnexplorer.com/nsn/5305-01-399-3101/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5305-01-399-3101/