The Washer,flat, cataloged under National Stock Number 5310-00-764-3919, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Allmetal Screw Products Corp. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 15 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-764-3919 |
| Primary Part Number | A712B0300 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Allmetal Screw Products Corp |
| Status | CANCELLED |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.180 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Specification/standard Data | 80205-NAS620 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 321 OR STEEL COMP 323 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.102 INCHES NOMINAL IN |
| Thickness | 0.032 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| B70154 | Mbda Uk Ltd (GBR) |
| A712B0300 PRIMARY | Allmetal Screw Products Corp (USA) |
| NAS620C3 | Moeller Manufacturing & Supply, Llc (USA) |
| NAS620C3 | Superior Washer & Gasket Corp. Dba Superior Washer & Gasket Corp (USA) |
| NAS620C3 | Anillo Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 5310007643919 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 33570-1 | E/8 Replaced / superseded reference Honeywell Intl Inc Defense Avionics Systems |
| SMC9816-004 | 3/9 Design control — primary reference Serra Manufacturing Corporation Dba Serra Manufacturing |
| 763721-16 | C/1 Advisory reference — outside the item-of-supply concept Hamilton Sundstrand Corporation Dba Collins Aerospace |
| J98F0054-1 | C/1 Advisory reference — outside the item-of-supply concept Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co |
| 153-0183-004 | 5/9 Secondary reference U.S. Government activity |
| NAS620C32 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 361983 | E/8 Replaced / superseded reference Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
| NAS620C3 | 3/2 Design control — primary reference U.S. Government activity |
| QSL153-0183-004 | 5/9 Secondary reference U.S. Government activity |
| 10121654 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| PB33570-1 | E/8 Replaced / superseded reference U.S. Government activity |
| NSA620-C3 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 310-0740-160 | 7/2 Vendor item drawing reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| PW026-3 | 5/9 Secondary reference Small Lot Stamping Div of Vsi Corp Products |
NSN 5310-00-764-3919 is a Washer,flat, manufactured by Allmetal Screw Products Corp, classified under FSC 5310, Nuts and Washers. Status: cancelled.
NSN 5310-00-764-3919 has 5 manufacturer part numbers on file: B70154 (Mbda Uk Ltd), A712B0300 (Allmetal Screw Products Corp), NAS620C3 (Moeller Manufacturing & Supply, Llc), NAS620C3 (Superior Washer & Gasket Corp. Dba Superior Washer & Gasket Corp), NAS620C3 (Anillo Industries Llc).
2 possible matches (shared part number, not a government interchangeability claim): 3120-01-359-2191, 5340-01-380-7976. Verify interchangeability with system specifications before substitution.
Key specifications for A712B0300: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.180 INCHES NOMINAL IN; Material Document and Classification: QQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 11 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5310-00-764-3919 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.