The Washer,flat, cataloged under National Stock Number 5310-00-723-9676, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Div Rmd Strategic. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 23 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-723-9676 |
| Primary Part Number | 4197600-21 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | CANCELLED |
| Overall Diameter | 0.204 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-766 COND A FED SPEC SINGLE MATERIAL RESPONSE 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 CORROSION RESISTING OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Thickness | 0.016 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 | X |
| Part Number | Manufacturer |
|---|---|
| 4197600-21 | Raytheon Company Div Rmd Strategic (USA) |
| 004-002894-053 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| NAS620C4L | Wesco Aircraft Hardware Corp. Dba Incora (USA) |
| 947620-4041 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| B68030 | Mbda Uk Ltd (GBR) |
| 24-00162-044 | Raytheon Systems Ltd (GBR) |
| NAS620C4L | Insitu, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5310007239676 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| TH-WG0409 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| S8157N33-020 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| SWSS0707-02RV | E/8 Replaced / superseded reference Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
| S8154-206C020 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 9336C2008-5 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 5953180 | 5/9 Secondary reference Tadiran Ltd |
| 137301-37 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 5310PL1369464 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 947620-4041 | 5/9 Secondary reference Litton Systems Inc. Div Navigation Systems Division |
| NAS620C4L | 3/2 Design control — primary reference U.S. Government activity |
| 2504638-5 | C/1 Advisory reference — outside the item-of-supply concept Honeywell International Inc. Dba Honeywell International |
| 1176-00745 | 5/9 Secondary reference Leonardo Mw Ltd |
| 29-0005 | 5/9 Secondary reference Merillat Road Supply Co |
| NAS 620C-4L | C/1 Advisory reference — outside the item-of-supply concept Allmetal Screw Products Corp |
| 10055491 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 5310PL0150353 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| SWSS0707-02RV | E/8 Replaced / superseded reference Honeywell Intl Inc Defense Avionics Systems |
| 21172-00745 | 5/9 Secondary reference Leonardo Mw Ltd |
| NAS620-CAL | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-00-723-9676 is a Washer,flat, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5310, Nuts and Washers. Status: cancelled.
NSN 5310-00-723-9676 has 7 manufacturer part numbers on file: 4197600-21 (Raytheon Company Div Rmd Strategic), 004-002894-053 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), NAS620C4L (Wesco Aircraft Hardware Corp. Dba Incora), 947620-4041 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), B68030 (Mbda Uk Ltd) and 2 more.
4 possible matches (shared part number, not a government interchangeability claim): 5310-00-880-5908, 5307-01-135-4755, 5307-01-137-5476. Verify interchangeability with system specifications before substitution.
Key specifications for 4197600-21: Overall Diameter: 0.204 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN; Material Document and Classification: QQ-S-766 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Specification/standard Data: 80205-NAS620 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 10 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 5310-00-723-9676 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.