The Bolt,barrel, cataloged under National Stock Number 5340-01-486-2051, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Builders Hardware Mfrs Assn 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-486-2051 |
| Primary Part Number | BHMA-A156.16 L84212 2.5IN |
| Item Name | Bolt,barrel |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Builders Hardware Mfrs Assn Inc |
| Status | ACTIVE |
| Length | 2.500 INCHES NOMINAL OVERALL IN |
| Diameter | 0.310 INCHES NOMINAL BOLT IN |
| Strike Quantity | 1 |
| Strike Type | FLAT |
| Surface Treatment | ZINC ALLOY OVERALL |
| Width | 1.530 INCHES NOMINAL OVERALL IN |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| BHMA-A156.16 L84212 2.5IN PRIMARY | Builders Hardware Mfrs Assn Inc (USA) |
| Reference | Meaning |
|---|---|
| A-A-466/TYI-2.5L-FZ | 5/9 Secondary reference U.S. Government activity |
| A156.16 | 5/9 Secondary reference U.S. Government activity |
| 500K2093 | 5/9 Secondary reference U.S. Government activity |
| BHMA-A156.16 | 3/1 Design control — primary reference Builders Hardware Mfrs Assn Inc |
| 500K2093 | 5/9 Secondary reference Drs Environmental Systems Inc |
| 500K2093 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-486-2051 is a Bolt,barrel, manufactured by Builders Hardware Mfrs Assn Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-486-2051 has 1 manufacturer part number on file: BHMA-A156.16 L84212 2.5IN (Builders Hardware Mfrs Assn Inc).
Key specifications for BHMA-A156.16 L84212 2.5IN: Length: 2.500 INCHES NOMINAL OVERALL IN; Diameter: 0.310 INCHES NOMINAL BOLT IN; Strike Quantity: 1; Strike Type: FLAT. 7 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.