The Retainer,pin, cataloged under National Stock Number 2040-01-031-7975, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-031-7975 |
| Primary Part Number | 050915 |
| Item Name | Retainer,pin |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,ASTM A582,COMP 303,COND A,BLACK OXIDE,MIL-C-13924 CL 4; 1.125 IN. LG,0.245 IN. MIN,0.255 IN. MAX W,0.500 IN. H,CTR HOLE 0.312 IN. MIN,0.313 IN. MAX DIA; TWO HOLES 0.281 IN. DIA,0.750 IN. C TO C DIST BTWN HOLES IN |
| 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 |
|---|---|
| 887B050915 | L3 Technologies, Inc. Div L3 Keo (USA) |
| 050915 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| 887B050915 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
NSN 2040-01-031-7975 is a Retainer,pin, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-031-7975 has 2 manufacturer part numbers on file: 887B050915 (L3 Technologies, Inc. Div L3 Keo), 050915 (L3 Technologies, Inc. Div L3 Keo).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-533-1244. Verify interchangeability with system specifications before substitution.
Key specifications for 050915: General Characteristics Item Description: STEEL,ASTM A582,COMP 303,COND A,BLACK OXIDE,MIL-C-13924 CL 4; 1.125 IN. LG,0.245 IN. MIN,0.255 IN. MAX W,0.500 IN. H,CTR HOLE 0.312 IN. MIN,0.313 IN. MAX DIA; TWO HOLES 0.281 IN. DIA,0.750 IN. C TO C DIST BTWN HOLES IN. 1 specification is 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.