The Coupling,clamp,grooved, cataloged under National Stock Number 5342-00-277-8401, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-00-277-8401 |
| Primary Part Number | 10J81-1 |
| Item Name | Coupling,clamp,grooved |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Included Angle in Deg | 40.0 |
| Temp Rating | -65.0 FAHRENHEIT AND 420.0 FAHRENHEIT DEGF |
| Inside Width | 5.480 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE NUT |
| Load Rating | 2250.0 POUNDS MAXIMUM LBS |
| Inside Length | 10.110 INCHES NOMINAL IN |
| Band Width | 0.750 INCHES NOMINAL IN |
| Root Width | 0.210 INCHES NOMINAL IN |
| Retainer Width | 0.750 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-5059, TYPE 301, 1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE BAND |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE BOLT |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE TRUNNION |
| Material Document and Classification | MIL-S-5059, TYPE 301, 1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE INNER LINER |
| Shape | OVAL |
| Cross-Sectional Shape Style | GROOVED RETAINER |
| Band Thickness | 0.032 INCHES NOMINAL IN |
| Sealing Inner Liner | NOT INCLUDED |
| Retainer Thickness | 0.032 INCHES NOMINAL IN |
| Height | 0.281 INCHES NOMINAL IN |
| Nut Type | SELF-LOCKING HEXAGON |
| Segment Quantity | 2 |
| Surface Treatment | SILVER NUT |
| Surface Treatment | PASSIVATE BOLT |
| Surface Treatment | PASSIVATE BAND |
| Surface Treatment | PASSIVATE TRUNNION |
| Surface Treatment | PASSIVATE INNER LINER |
| Material | STEEL COMP 301 BAND |
| Material | STEEL CORROSION RESISTING TRUNNION |
| Material | STEEL CORROSION RESISTING NUT |
| Material | STEEL COMP 301 INNER LINER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5342-00-277-8401 is a Coupling,clamp,grooved, manufactured by Grimes Aerospace Company, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-00-277-8401 has 2 manufacturer part numbers on file: 10J81-1 (The Boeing Company Div Defense), 10J81-1 (Grimes Aerospace Company).
Key specifications for 10J81-1: Included Angle in Deg: 40.0; Temp Rating: -65.0 FAHRENHEIT AND 420.0 FAHRENHEIT DEGF; Inside Width: 5.480 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE NUT. 30 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 5342-00-277-8401 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.