Home · FSC 5305 Screws · NSN 5305-01-346-3691
NSN 5305-01-346-3691 — Screw,Cap,Hexagon Head
NIIN 01-346-3691 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS
NSN 5305-01-346-3691 is the national stock number for a screw,cap,hexagon head in federal supply class 5305 (Screws). It cross-references to 2 manufacturer part numbers from 3 CAGE codes, including The American Society Of Mechanical Engineers, American National Standards Institute Incorporated, Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M; the primary is B1821BH150F500N. The unit of issue is EA and the FLIS list price is $366.30.
The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on August 27, 2026 for $598 from Small Parts Inc. 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.
2
part numbers from 3 CAGEs
0
open solicitations, all agencies
1
government buy in 24 months
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 |
|---|---|---|---|---|
| B1821BH150F500N | 05047 | The American Society Of Mechanical Engineers | 3 · Design control (vendor) | 2 · Fully interchangeable |
| B1821BH150F500N | 80204 | American National Standards Institute Incorporated | 5 · Secondary reference | 9 · Reference only |
| MS90727-316 | 96906 | Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M | 5 · Secondary reference | 9 · Reference only |
Government demand
Nothing open right now. Last government buy Aug 27, 2026. Watch this NSN and we will email you when it is solicited.
What the government paid
| Date | Vendor | Qty | Unit cost | Amount | Buyer | Reference |
|---|---|---|---|---|---|---|
| Aug 27, 2026 | Small Parts Inc 8BZD9 | $598 | Dla | SPE4A026V0824 |
Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 1 buy 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 B1821BH150F500N.
Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.
DLA management data
- FLIS unit price
- $366.30
- Unit of issue
- EA
- Acquisition advice
- J — Not stocked, central procurement
- Source of supply
- SMS
- Effective
- Oct 1, 2025
Item characteristics
- Thread Class
- 2A
- Thread Direction
- RIGHT-HAND
- Thread Length
- INCHES NOMINAL 3.250
- Fastener Length
- INCHES NOMINAL 5.000
- Head Height
- INCHES MINIMUM 2.175 AND INCHES MAXIMUM 2.230
- Width Between Flats
- INCHES MINIMUM 2.175 AND INCHES MAXIMUM 2.250
- Nominal Thread Diameter
- INCHES 1.500
- Thread Quantity Per Inch
- 12
- Minimum Tensile Strength
- POUNDS PER SQUARE INCH 150000
- Hardness Rating
- OVERALL ROCKWELL C MINIMUM 32.0 AND ROCKWELL C MAXIMUM 38.0
- Material
- OVERALL STEEL
- Material Document And Classification
- OVERALL ASSN STD SINGLE MATERIAL RESPONSE SAE J429 GR8
- Surface Treatment
- OVERALL ZINC AND CHROMATE
- Surface Treatment Document And Classification
- OVERALL ASSN STD SINGLE TREATMENT RESPONSE AST- B633 TY2 CL2
- Thread Series Designator
- UNF
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.
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