The Screw,assembled Washer, cataloged under National Stock Number 5305-00-281-8309, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Renk America Llc Div Renk America. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-281-8309 |
| Primary Part Number | AA7M245 |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Renk America Llc Div Renk America |
| Status | CANCELLED |
| Primary Washer Style | SPLIT HELICAL RING |
| Washer Quantity | 1 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Thread Class | 2A A |
| Primary Washer Material Thickness | 0.022 INCHES NOMINAL IN |
| Head Height | 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 32 |
| Fastener Length | 0.312 INCHES NOMINAL IN |
| Surface Treatment | ZINC AND CADMIUM OVERALL |
| Primary Washer Outside Diameter | 0.256 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Thread Length | 0.250 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Diameter | 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| Internal Drive Style | SLOT |
| Head Style | PAN NO. 2 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5305-00-281-8309 is a Screw,assembled Washer, manufactured by Renk America Llc Div Renk America, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-281-8309 has 3 cross-referenced part numbers: AA7M245 (Renk America Llc Div Renk America), 5431F (Cushman Inc a Ransom Co Pobox 7248 Charlotte Nc 28241 7248), 5431F (Wico-Prestolite Co the Div of Eltra Corp).
There are 2 known substitutes for 5305-00-281-8309: 3110-00-100-6170, 4320-01-241-6805. Verify interchangeability with system specifications before substitution.
Key specifications for AA7M245: Primary Washer Style: SPLIT HELICAL RING; Washer Quantity: 1; Material: STEEL OVERALL; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-281-8309 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.