Acquisition method (AMC)
1
FSC 5306 × BOLT,EXTERNALLY RELIEVED BODY
BOLT,EXTERNALLY RELIEVED BODY
5306-01-298-2438 FSC 5306
NSN 5306-01-298-2438 (also written 5306012982438; NIIN 01-298-2438) is a bolt, externally relieved body in Federal Supply Class 5306, Bolts. 4 manufacturer part numbers from 4 suppliers are on record. No purchases are on record yet.
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 |
|---|---|
| THREAD CLASS AAJD | 3A |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| THREAD LENGTH AASA | INCHES MINIMUM 0.516 AND INCHES MAXIMUM 0.610 |
| FASTENER LENGTH AASB | INCHES MINIMUM 0.615 AND INCHES MAXIMUM 0.635 |
| HEAD STYLE AASK | — |
| HEAD HEIGHT AASU | INCHES MINIMUM 0.293 AND INCHES MAXIMUM 0.313 |
| WIDTH BETWEEN FLATS AATB | INCHES NOMINAL 0.312 |
| EXTENDED WASHER DIAMETER AATC | INCHES MINIMUM 0.428 AND INCHES MAXIMUM 0.448 |
| EXTENDED WASHER THICKNESS AATD | INCHES MINIMUM 0.060 |
| FIRST DIAMETER FROM HEAD AAWC | INCHES MINIMUM 0.222 AND INCHES MAXIMUM 0.232 |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER AAWH | INCHES MAXIMUM 0.099 |
| NOMINAL THREAD DIAMETER AHYM | INCHES 0.250 |
| THREAD QUANTITY PER INCH CMLP | 28 |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY CSNG | 1 |
| MATERIAL MATT | OVERALL STEEL CORROSION RESISTING |
| THREAD SERIES DESIGNATOR THSD | UNIFIED NATIONAL JOINT FINE (UNJF) |
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 |
|---|---|---|
| 5306PL1498942 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| ST1420-08 | 0UCY9 | M.S. AEROSPACE INC. DBA MS AEROSPACE INC |
| ST1420-08 | 52661 | RTX CORPORATION DIV PRATT & WHITNEY |
| ST1420-08 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
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
—
—
Last purchased
—
Purchase records
—
Total demand
—
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.
No related contract actions on record.
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.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A7-27-T-0303 | Oct 8, 2026 | Oct 15, 2026 | 797 | 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.
- Full methodology →
Cite this page
Citation
NSN Explorer. "BOLT,EXTERNALLY RELIEVED BODY." nsnexplorer.com, https://nsnexplorer.com/nsn/5306-01-298-2438/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5306-01-298-2438/