The Pin Block Assembly, cataloged under National Stock Number 5340-01-691-5785, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Greene Machine & Manufacturing Inc. Government technical data includes 1 specification, 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-691-5785 |
| Primary Part Number | 4091AS0176-1 |
| Item Name | Pin Block Assembly |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Greene Machine & Manufacturing Inc |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 4091AS0176-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 4091AS0176-1 PRIMARY | Greene Machine & Manufacturing Inc (USA) |
NSN 5340-01-691-5785 is a Pin Block Assembly, manufactured by Greene Machine & Manufacturing Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-691-5785 has 2 manufacturer part numbers on file: 4091AS0176-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 4091AS0176-1 (Greene Machine & Manufacturing Inc).
Key specifications for 4091AS0176-1: Overall Length: 1.00 INCHES NOMINAL IN; Special Features: PIN BLOCK LENTGH,0.50 INCHES; PIN BLOCK HEIGHT,0.588 INCHES; FIRST HOLE DIAMETER 0.109 INCHES; SECOND HOLE DIAMETER 0.200 INCHES IN; Material: STEEL CORROSION RESISTING. 1 specification is 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.