The Insert,screw Thread, cataloged under National Stock Number 5325-01-254-8529, is classified within Federal Supply Class 5325 (Fastening Devices) 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-254-8529 |
| Primary Part Number | 704AS9326-4 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Length | 0.305 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN |
| Insert Size | 0.312 IN. IN |
| Style Designator | KEYLOCK |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Internal Thread Relief Depth | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Features Provided | INDIVIDUALLY KEYED |
| Full Internal Thread Length | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 704AS9326-4 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| KNKL0440 | Siemens Ag - Anl A44 S - (DEU) |
| Reference | Meaning |
|---|---|
| 899326-4 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| KNKL0440 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
NSN 5325-01-254-8529 is a Insert,screw Thread, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-254-8529 has 2 manufacturer part numbers on file: 704AS9326-4 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), KNKL0440 (Siemens Ag - Anl A44 S -).
Key specifications for 704AS9326-4: Length: 0.305 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN; Insert Size: 0.312 IN. IN; Style Designator: KEYLOCK; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 8 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.