The Fastener,paper, cataloged under National Stock Number 7510-00-161-4277, is classified within Federal Supply Class 7510 (Office Supplies) of the Office Supplies and Devices group. The manufacturer of record is George W. Allen Co., Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 7510-00-161-4277 |
| Primary Part Number | LEO4RBP |
| Item Name | Fastener,paper |
| FSC / FSG | 7510 / 75 — Office Supplies |
| Manufacturer | George W. Allen Co., Inc. |
| Status | ACTIVE |
| Design Type | SPLIT SHANK WITH ROUND HEAD |
| Shank Length | 1.000 INCHES NOMINAL IN |
| Product Size | NO.4 |
| Material | COPPER ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| LEO4RBP PRIMARY | George W. Allen Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| 210430 | 5/9 Secondary reference Kidde-Fenwal, Llc |
| 210430 | 5/9 Secondary reference Davey Compressor Co Div of Keco Industries Inc |
| A-A-247 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| FF-F-101 | 5/9 Secondary reference U.S. Government activity |
| 210430 | C/1 Advisory reference — outside the item-of-supply concept Drs Environmental Systems Inc |
NSN 7510-00-161-4277 is a Fastener,paper, manufactured by George W. Allen Co., Inc., classified under FSC 7510, Office Supplies. Status: active.
NSN 7510-00-161-4277 has 1 manufacturer part number on file: LEO4RBP (George W. Allen Co., Inc.).
4 possible matches (shared part number, not a government interchangeability claim): 7510-00-161-4279, 7510-01-281-8308, 5961-01-346-0826. Verify interchangeability with system specifications before substitution.
Key specifications for LEO4RBP: Design Type: SPLIT SHANK WITH ROUND HEAD; Shank Length: 1.000 INCHES NOMINAL IN; Product Size: NO.4; Special Features: SIZE IS W/O WASHER. 4 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.