The Insert,screw Thread, cataloged under National Stock Number 5325-00-451-8982, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Fairchild Fasteners Europe - Camloc Gmbh. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-451-8982 |
| Primary Part Number | KNH420J |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Fairchild Fasteners Europe - Camloc Gmbh |
| Status | ACTIVE |
| Length | 0.375 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.305 INCHES NOMINAL IN |
| Insert Size | 0.4375-14 NC-2A A |
| Style Designator | KEYLOCK |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Internal Thread Relief Depth | 0.070 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Full Internal Thread Length | 0.305 INCHES MINIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 302 OVERALL |
| Thread Series Designator | UNJC |
| 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 |
|---|---|
| KNH420J | Fairchild Fasteners Europe - Camloc Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| 10484731 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| KNH420J | 5/1 Secondary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
| STD147A31 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company Div Defense |
| KH9905-420 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Microdot Products |
| MS51831-102 | 5/1 Secondary reference Cgb Precision Products Pty Ltd |
| MS51831-102 | 2/2 Government specification standardization U.S. Government activity |
| KNH420S | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
| KNH420JS | 5/1 Secondary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
| PWA53800-8 | 5/1 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| KNH420 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
| 26302 | 5/1 Secondary reference U.S. Government activity |
NSN 5325-00-451-8982 is a Insert,screw Thread, manufactured by Fairchild Fasteners Europe - Camloc Gmbh, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-451-8982 has 1 manufacturer part number on file: KNH420J (Fairchild Fasteners Europe - Camloc Gmbh).
2 possible matches (shared part number, not a government interchangeability claim): 5961-01-008-3881, 5365-01-166-5906. Verify interchangeability with system specifications before substitution.
Key specifications for KNH420J: Length: 0.375 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.305 INCHES NOMINAL IN; Insert Size: 0.4375-14 NC-2A A. 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.
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.