The Washer,flat, cataloged under National Stock Number 5310-00-684-2731, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Trostel Albert Packing Ltd. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-684-2731 |
| Primary Part Number | 1776-5 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Trostel Albert Packing Ltd |
| Status | CANCELLED |
| Cross-Sectional Shape Style | RECTANGULAR |
| Hole Diameter | 0.3985 INCHES MINIMUM AND 0.4135 INCHES MAXIMUM IN |
| Material | LEATHER OVERALL |
| Center Hole Shape Style | ROUND |
| Overall Diameter | 0.640 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND |
| Thickness | 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1776-5 | Trostel Albert Packing Ltd (USA) |
| 1283-5 | Searle Leather and Packing Co (USA) |
| 757 283 | Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company (USA) |
| AN6291-5 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| MS28777-5 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 133814 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| 216LS-5 | Precision Metal Products, Inc (USA) |
| MS28777-5 | American Carbonic Engineering Co (USA) |
| XLLM212-5 | Excelsior, Inc. (USA) |
| G-2000-5 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| B-FF4 | Parker-Hannifin Corp Div O-Ring Division (USA) |
NSN 5310-00-684-2731 is a Washer,flat, manufactured by Trostel Albert Packing Ltd, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-684-2731 has 11 cross-referenced part numbers: 1776-5 (Trostel Albert Packing Ltd), 1283-5 (Searle Leather and Packing Co), 757 283 (Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company), AN6291-5 (Aeronautical Standards Group Dept of Navy and Air Force), MS28777-5 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.
There are 12 known substitutes for 5310-00-684-2731: 4730-00-089-3406, 2530-00-119-9963, 5330-00-139-0222 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1776-5: Cross-Sectional Shape Style: RECTANGULAR; Hole Diameter: 0.3985 INCHES MINIMUM AND 0.4135 INCHES MAXIMUM IN; Material: LEATHER OVERALL; Center Hole Shape Style: ROUND. 7 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-684-2731 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.