Acquisition method (AMC)
1
FSC 5307 × STUD,LOCKED IN
STUD,LOCKED IN
5307-01-114-5255 FSC 5307
NSN 5307-01-114-5255 (also written 5307011145255; NIIN 01-114-5255) is a stud, locked in in Federal Supply Class 5307, Studs. 3 manufacturer part numbers from 3 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 PITCH DIAMETERS AAJE | STUD THREAD INCHES 0.2778 TO 0.2795 |
| THREAD DIRECTION AAJF | STUD THREAD RIGHT-HAND |
| THREAD DIRECTION AAJF | NUT THREAD RIGHT-HAND |
| THREAD LENGTH AASA | STUD THREAD INCHES MINIMUM 0.375 AND INCHES MAXIMUM 0.405 |
| THREAD LENGTH AASA | NUT THREAD INCHES MINIMUM 0.485 AND INCHES MAXIMUM 0.515 |
| LOCKING FEATURE AAUM | RING, LOCK SERRATED |
| OVERALL LENGTH ABHP | INCHES MINIMUM 1.530 AND INCHES MAXIMUM 1.590 |
| DISTANCE FROM SERRATED PORTION TO NUT END ADCT | INCHES MINIMUM 0.985 AND INCHES MAXIMUM 1.015 |
| DISTANCE FROM SERRATED PORTION TO STUD END ADCU | INCHES MINIMUM 0.545 AND INCHES MAXIMUM 0.575 |
| DISTANCE FROM SERRATED PORTION TO END OF STUD THREAD ADCX | INCHES MINIMUM 0.140 AND INCHES MAXIMUM 0.200 |
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END ADDU | FIRST HOLE INCHES MINIMUM 0.145 AND INCHES MAXIMUM 0.175 |
| COTTER PIN HOLE DIAMETER ADDV | FIRST HOLE INCHES NOMINAL 0.076 |
| SERRATION QUANTITY ADDW | 17 |
| THREAD QUANTITY PER INCH CMLP | 28 |
| HARDNESS RATING CQFM | ROCKWELL C MINIMUM 26.0 |
| NOMINAL THREAD SIZE CQJX | NUT THREAD INCHES 0.250 |
| SURFACE FINISH CSYM | NUT THD MICROINCHES 32.0 |
| SERRATION INCLUDED ANGLE CWKL | DEGREES NOMINAL 86.0 |
| MATERIAL MATT | STEEL COMP 4130 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-6758 |
| SURFACE TREATMENT SFTT | OVERALL CADMIUM AND CHROMATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416 TY2 CL3 QQ--416 |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | NUT THREAD UNF |
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 |
|---|---|---|
| MS51989-105D16 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL |
| MS51989-105D16 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| MS51989-105D16 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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
$32.50
Purchases
1
Total spend
$2,698
Sep 29, 2026
Last purchased
2 · 2.0/yr
Purchase records
$5,395
Total demand
$32.50
Latest unit price
Purchase history
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 | SPE4A626PHHHF ↗ | — | — | $2,698 |
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
CAGE 1BRD5
last award Sep 2026
MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
no award yet
no awards on record
Listed source SAE INTERNATIONAL DBA SAE INTERNATIONAL
no award yet
no awards on record
Listed source SOCIETY OF AUTOMOTIVE ENGINEERS INC
no award yet
no awards on record
Listed source CAGE 1BRD5 won the only award on record. CAGE 1BRD5 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-34DN | Sep 21, 2026 | Sep 28, 2026 | 83 | 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: 2026-10-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "STUD,LOCKED IN." nsnexplorer.com, https://nsnexplorer.com/nsn/5307-01-114-5255/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5307-01-114-5255/