The Insert,screw Thread, cataloged under National Stock Number 5325-01-101-8275, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Macleod Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-101-8275 |
| Primary Part Number | B2770-4902 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Macleod Inc |
| Status | ACTIVE |
| Flange Diameter | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Length | 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN |
| Insert Size | 0.245 IN. MIN,0.265 IN. MAX OD IN |
| Style Designator | SERRATED |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Features Provided | INDIVIDUALLY KEYED |
| Material | STEEL COMP 304 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 |
|---|---|
| B2770-4902 PRIMARY | Macleod Inc (USA) |
| Reference | Meaning |
|---|---|
| SL850C06F4M | 5/9 Secondary reference U.S. Government activity |
| 399052-4 | 5/9 Secondary reference L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
NSN 5325-01-101-8275 is a Insert,screw Thread, manufactured by Macleod Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-101-8275 has 1 manufacturer part number on file: B2770-4902 (Macleod Inc).
Key specifications for B2770-4902: Flange Diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Length: 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN; Insert Size: 0.245 IN. MIN,0.265 IN. MAX OD IN; Style Designator: SERRATED. 7 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.