Home · FSC 5306 Bolts · NSN 5306-01-475-9900
NSN 5306-01-475-9900 — Bolt,Machine
NIIN 01-475-9900 · unit of issue EA · AAC Z (insurance item) · source of supply SMS
Buying rhythm
from 7 government buys since 2017
The government has bought this item about every 6 months (irregular, gaps vary ±127%). Last buy Feb 12, 2026. The gaps are too uneven to put a window on the next one. 1 solicitation is open right now.
How well this works: for irregular items, "next buy about one typical gap after the last, give or take 151 days" caught the actual next buy 31% of the time across 21,161 past buys, against 24% for a fixed "one year later" guess. A rhythm, not a schedule: DLA buys when stock and demand say so. Every item due for a buy now.
NSN 5306-01-475-9900 is the national stock number for a bolt,machine in federal supply class 5306 (Bolts). It cross-references to 3 manufacturer part numbers from 3 CAGE codes, including Naval Sea Systems Command, Mcmaster-Carr Supply Co, Forsvarets Materielverk; the primary is 6931056 ITEM 8. The unit of issue is EA and the FLIS list price is $0.82.
The U.S. government has bought this item 16 times on record, 1 of them in the last 24 months, most recently on February 12, 2026 at $0.59 each from Southern Automotive Wholesalers, Inc. The median unit price paid over 36 months is $0.59. 2 solicitations are open right now, the soonest due October 2, 2026 for 1,680 EA. No seller has confirmed stock of it here in the last 60 days; watching the number is free and the first listing triggers an alert.
3
part numbers from 3 CAGEs
2
open solicitations, all agencies
1
government buy in 24 months · median $0.59
0
sellers with confirmed stock
Cross-references
Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.
| Part number | CAGE | Manufacturer | Reference | Variation |
|---|---|---|---|---|
| 6931056 ITEM 8 | 53711 | Naval Sea Systems Command | 3 · Design control (vendor) | 2 · Fully interchangeable |
| 92186A546 | 39428 | Mcmaster-Carr Supply Co | 5 · Secondary reference | 2 · Fully interchangeable |
| M1406-460834 | A196N | Forsvarets Materielverk | 6 | 9 · Reference only |
Government demand
Open DLA RFQs (DIBBS)
- SPE4A626U4363 · 1,680 EA · due Oct 2, 2026 · N · AMSC G · DIBBS
Open notices, other agencies (SAM.gov)
- Defense Logistics Agency · Dla Aviation · BOLT,MACHINE · due Oct 2, 2026 · Combined Synopsis/Solicitation
What the government paid
| Date | Vendor | Qty | Unit cost | Amount | Buyer | Reference |
|---|---|---|---|---|---|---|
| Feb 12, 2026 | Southern Automotive Wholesalers, Inc 1Y875 | 1,396 | $0.59 | Dla | SPE4A626PF078 | |
| Dec 17, 2020 | Polytech Defense Spares LLC 4K539 | 1,000 | $0.49 | Dla | SPE5E421V1245 | |
| May 11, 2020 | Polytech Defense Spares LLC 4K539 | 601 | $0.72 | Dla | SPE5E420V5884 | |
| May 4, 2020 | Midwest Military Fasteners LLC 6JSD9 | 417 | $0.79 | Dla | SPE5E420V5630 | |
| Nov 6, 2017 | Midwest Military Fasteners LLC 6JSD9 | 399 | $0.84 | Dla | SPE5E418V1152 | |
| Jul 21, 2017 | Polytech Defense Spares LLC 4K539 | 475 | $0.99 | Dla | SPE5E417V8762 | |
| Jun 27, 2017 | Tec Aerospace LLC 5D4G2 | 141 | $1.95 | Dla | SPE5E717P3694 | |
| May 11, 2017 | Midwest Military Fasteners LLC 6JSD9 | 141 | $2.03 | Dla | SPE5E417V6997 | |
| Sep 16, 2015 | Midwest Military Fasteners LLC 6JSD9 | 108 | $2.25 | Dla | SPE5E415VA958 | |
| May 28, 2015 | Unicorp. 04729 | 26 | $2.50 | Dla | SPE5E415V7002 | |
| Jun 3, 2013 | Midwest Military Fasteners LLC 6JSD9 | 160 | $6.19 | Dla | SPM5E413M4815 | |
| Oct 17, 2012 | Polytech Defense Spares LLC 4K539 | 141 | $6.88 | Dla | SPM5E413M0305 | |
| Jan 24, 2011 | Quality Socket Screw Manufacturing Corp 5N116 | 8 | $30.00 | Dla | SPM8E611MQ112 | |
| Apr 8, 2008 | Bek, Inc. 17283 | 2 | $150.00 | Dla | SPM8E608MQ201 | |
| Nov 6, 2007 | Quality Socket Screw Manufacturing Corp 5N116 | 25 | $24.00 | Dla | SPM8E008V0272 | |
| Jan 11, 2006 | Bek, Inc. 17283 | 2 | $150.00 | Dla | SP054006MQB13 |
Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 16 buys on record in total.
Sellers with confirmed stock
No seller has confirmed stock on this NSN in the last 60 days. Watch it and we will email you when one does, or request a quote on 6931056 ITEM 8.
Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.
DLA management data
- FLIS unit price
- $0.82
- Unit of issue
- EA
- Acquisition advice
- Z — Insurance item
- Source of supply
- SMS
- Effective
- Oct 1, 2025
Item characteristics
- Thread Class
- 3A
- Thread Direction
- RIGHT-HAND
- Thread Length
- INCHES NOMINAL 1.500
- End Item Identification
- AN/BPS-15
- Nominal Thread Diameter
- INCHES 0.250
- Thread Quantity Per Inch
- 20
- Special Features
- USED ON ANTENNA PEDESTAL LOCKING DEVICE, AB-1360
- Material
- OVERALL STEEL COMP 316
- Thread Series Designator
- UNIFIED NATIONAL COARSE (UNC)
About this page
An NSN is 13 digits: the 4-digit Federal Supply Class and the 9-digit NIIN. Cross-references come from the federal logistics record; demand from DLA DIBBS, SAM.gov and FPDS; ADs from the Federal Register. Refreshed nightly. Market Pulse shows the whole market.
Get the daily Market Pulse
New DLA RFQs, SAM.gov notices, yesterday's awards and FAA directives, weekday mornings. Free, one click to leave.