The Washer,lock, cataloged under National Stock Number 5310-00-261-8278, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 38 commercial cross-references from 28 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-261-8278 |
| Primary Part Number | 118517-007 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | CANCELLED |
| Material | COPPER ALLOY OVERALL |
| Material Thickness | 0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Surface Treatment | CADMIUM OVERALL |
| Outside Diameter | 0.334 INCHES MAXIMUM IN |
| Hardness Rating | 90.0 ROCKWELL B MINIMUM |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hole Diameter | 0.194 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 93496A415 | Mcmaster-Carr Supply Co (USA) |
| 310-0080-000 | Wrought Washer Mfg., Inc. (USA) |
| FF-W-84A | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 1386 PLAIN | Federal Screw Products, Inc. (USA) |
| AN935B10 | Raytheon Company Dba Raytheon Co (USA) |
| 310-0080-000 | Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA) |
| 860133-0005 | Litton Systems Inc. Div Navigation Systems Division (USA) |
| 20500-29 | Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA) |
| 10121218 | Nimikkeistokeskus Ncb Finland (FIN) |
| 118517-007 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 5310002618278 | E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 4198010-42 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| PS101013-35 | Honeywell Aerospace Yeovil Div Aerospace -Yeovil (GBR) |
| 20500-29 | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| 983026PC23 | Portsmouth Naval Shipyard (USA) |
| 5310PL0728295 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 310-0100-000 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| 8-L-10 | Star Stainless Screw Co (USA) |
| 280457-631 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 310-0080-000 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 5310-00-261-8278 is a Washer,lock, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-261-8278 has 38 cross-referenced part numbers: 93496A415 (Mcmaster-Carr Supply Co), 310-0080-000 (Wrought Washer Mfg., Inc.), FF-W-84A (Federal Specifications Promulgated by General Services Administration Washington DC), 1386 PLAIN (Federal Screw Products, Inc.), AN935B10 (Raytheon Company Dba Raytheon Co) and 33 more.
There are 7 known substitutes for 5310-00-261-8278: 6105-00-082-3210, 5310-00-167-0663, 5310-00-194-7344 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 118517-007: Material: COPPER ALLOY OVERALL; Material Thickness: 0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN; Style Designator: SPLIT HELICAL-RIGHT HAND; Surface Treatment: CADMIUM OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-261-8278 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.