The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-00-948-9856, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-948-9856 |
| Primary Part Number | 200AS200-8-CR |
| Item Name | Nut,self-Locking,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | CANCELLED |
| Lubrication | DRY FILM LUBRICANT |
| Width Across Flats | 0.295 INCHES NOMINAL IN |
| Thread Series | UNJC |
| Temp Rating | 450.0 FAHRENHEIT MAXIMUM DEGF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Pilot Diameter | 0.213 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN |
| Pilot Length | 0.058 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.151 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | CLINCH |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 OVERALL |
| 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 |
|---|---|
| MK7201-08 | Satair A/s (DNK) |
| 370780-1 | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
| QB400497-4 | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA) |
| 200AS200-8-CR PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 10189687-2 PRIMARY | Us Army Aviation and Missile Command (USA) |
| MK7201-08 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 1830759-4 | C/1 Advisory reference — outside the item-of-supply concept Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
| MRPN8-32 SULM | 3/2 Design control — primary reference U.S. Government activity |
| M45938/3-8CL | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 457-5605 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| QB400497-4 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
| 5310009489856 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| MRPN832SULM | 3/2 Design control — primary reference U.S. Government activity |
| 943955-4 | 7/2 Vendor item drawing reference U.S. Government activity |
| 419440-11 | 5/2 Secondary reference U.S. Government activity |
| RMLHC4256-82 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-00-948-9856 is a Nut,self-Locking,clinch, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: cancelled.
NSN 5310-00-948-9856 has 6 manufacturer part numbers on file: MK7201-08 (Satair A/s), 370780-1 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products), QB400497-4 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div), 200AS200-8-CR (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 10189687-2 (Us Army Aviation and Missile Command) and 1 more.
4 possible matches (shared part number, not a government interchangeability claim): 5310-01-288-9384, 5310-01-477-7705, 2590-01-570-7465. Verify interchangeability with system specifications before substitution.
Key specifications for 200AS200-8-CR: Lubrication: DRY FILM LUBRICANT; Width Across Flats: 0.295 INCHES NOMINAL IN; Thread Series: UNJC; Temp Rating: 450.0 FAHRENHEIT MAXIMUM DEGF. 15 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 5310-00-948-9856 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.