The Nut,self-Locking,assembled Washe, cataloged under National Stock Number 5310-00-677-1637, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 18 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-677-1637 |
| Primary Part Number | TLN1000L3 |
| Item Name | Nut,self-Locking,assembled Washe |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Lubrication | SOLUBLE LUBRICANT |
| Washer Outside Diameter | 0.380 INCHES MAXIMUM IN |
| Width Across Flats | 0.213 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Material Document and Classification | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR AMS6300 ASSN STD 2ND MATERIAL RESPONSE NUT |
| Nut Counterbore Depth | 0.072 INCHES MINIMUM AND 0.087 INCHES MAXIMUM NUT IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Counterbore Diameter | 0.211 INCHES MINIMUM AND 0.221 INCHES MAXIMUM NUT IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.156 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | PLAIN DISHED |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL WASHER |
| Material | STEEL COMP 8740 OR STEEL COMP 4037 NUT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| TLN1000L3 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M609L3 | Howmet Global Fastening Systems Inc (USA) |
| TLN1000L3 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| TLN1000L3 PRIMARY | Huck International, Inc (USA) |
| ST3M609L3 | The Boeing Company Div Defense (USA) |
| TLN1000L3 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| TLN1000L3 | 5/2 Secondary reference U.S. Government activity |
| HE114-0085-003 | 5/9 Secondary reference U.S. Government activity |
| TLN1000L3 | 5/9 Secondary reference U.S. Government activity |
| TLN1000L3 | 3/9 Design control — primary reference U.S. Government activity |
| HE114-0085-0003 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-677-1637 is a Nut,self-Locking,assembled Washe, manufactured by Huck International, Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-677-1637 has 6 manufacturer part numbers on file: TLN1000L3 (Sps Technologies, Llc Dba PB Fasteners), ST3M609L3 (Howmet Global Fastening Systems Inc), TLN1000L3 (Fairchild Fasteners Europe - Vsd Gmbh), TLN1000L3 (Huck International, Inc), ST3M609L3 (The Boeing Company Div Defense) and 1 more.
Key specifications for TLN1000L3: Lubrication: SOLUBLE LUBRICANT; Overall Height: 0.223 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN; Washer Outside Diameter: 0.380 INCHES MAXIMUM IN; Width Across Flats: 0.213 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN. 18 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.
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.