The Insert,screw Thread, cataloged under National Stock Number 5325-00-820-1129, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-820-1129 |
| Primary Part Number | 69825-26-7 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Width Across Flats | 0.432 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Bottom Portion Unthreaded Outside Length | 0.048 INCHES NOMINAL IN |
| Length | 0.438 INCHES NOMINAL IN |
| Insert Size | 0.438-14 NC 3A A |
| Style Designator | KEYLOCK |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Top Unthreaded Portion Outside Diameter | 0.341 INCHES NOMINAL IN |
| Top Portion Unthreaded Outside Length | 0.052 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 303 OVERALL |
| 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 |
|---|---|
| 69825-26-7 | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| 69825-26-7 | Stanley Engineered Fastening Llc (USA) |
| 69825-26-7 | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 257-7-7 | 5/9 Secondary reference Stanley Engineered Fastening Llc |
| 933B-5SE0437 | 3/9 Design control — primary reference Stanley Engineered Fastening Llc |
NSN 5325-00-820-1129 is a Insert,screw Thread, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-820-1129 has 3 manufacturer part numbers on file: 69825-26-7 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 69825-26-7 (Stanley Engineered Fastening Llc), 69825-26-7 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
4 possible matches (shared part number, not a government interchangeability claim): 5325-01-139-1992, 4730-01-383-3982, 5325-01-439-5104. Verify interchangeability with system specifications before substitution.
Key specifications for 69825-26-7: Width Across Flats: 0.432 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN; Bottom Portion Unthreaded Outside Length: 0.048 INCHES NOMINAL IN; Length: 0.438 INCHES NOMINAL IN; Insert Size: 0.438-14 NC 3A A. 10 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.