The Washer,lock, cataloged under National Stock Number 5310-00-209-3990, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Stromberg-Carlson Corp a Plessey Telecommunications Co. Government technical data includes 7 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-209-3990 |
| Primary Part Number | 636122-000 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Stromberg-Carlson Corp a Plessey Telecommunications Co |
| Status | CANCELLED |
| Style Designator | FLAT INTERNAL TEETH |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN |
| Material Thickness | 0.018 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 302 OVERALL |
| Hole Diameter | 0.141 INCHES MINIMUM AND 0.150 INCHES MAXIMUM 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 |
|---|---|
| 636122-000 PRIMARY | Stromberg-Carlson Corp a Plessey Telecommunications Co (USA) |
| 236-1040P3 PRIMARY | Raytheon Company Div Corp (USA) |
| 06-250039-016 | Satair A/s (DNK) |
| D28153-11 | Telephone Company of America Incorporated (USA) |
| 06-250039-016 PRIMARY | Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems (USA) |
| Reference | Meaning |
|---|---|
| 1706-00-00 | 5/9 Secondary reference Itw Shakeproof Automotive Products |
| 236-1040P3 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 5310002093990 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 170-6000-000 | 5/9 Secondary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 636122-000 | 5/9 Secondary reference Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
| 10403 | 5/9 Secondary reference U.S. Government activity |
| 5310002093990 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 1706-05 | 5/9 Secondary reference Itw Shakeproof Automotive Products |
| 8488 | 5/9 Secondary reference Cessna Aircraft Co Arc Avionics Div |
NSN 5310-00-209-3990 is a Washer,lock, manufactured by Stromberg-Carlson Corp a Plessey Telecommunications Co, classified under FSC 5310, Nuts and Washers. Status: cancelled.
NSN 5310-00-209-3990 has 5 manufacturer part numbers on file: 636122-000 (Stromberg-Carlson Corp a Plessey Telecommunications Co), 236-1040P3 (Raytheon Company Div Corp), 06-250039-016 (Satair A/s), D28153-11 (Telephone Company of America Incorporated), 06-250039-016 (Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems).
9 possible matches (shared part number, not a government interchangeability claim): 1377-00-295-2166, 3120-00-448-1412, 4320-00-589-0682. Verify interchangeability with system specifications before substitution.
Key specifications for 636122-000: Style Designator: FLAT INTERNAL TEETH; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN; Material Thickness: 0.018 INCHES NOMINAL IN. 7 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 5310-00-209-3990 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.