The Block,pivoting, cataloged under National Stock Number 4935-01-140-1989, is classified within Federal Supply Class 4935 (Guided Missile Maintenance, Repair, and Checkout Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Lockheed Martin Corp Electronics and Missiles Div. Government technical data includes 1 specification, 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. 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 | 4935-01-140-1989 |
| Primary Part Number | 69590 |
| Item Name | Block,pivoting |
| FSC / FSG | 4935 / 49 — Guided Missile Maintenance, Repair, and Checkout Specialized Equipment |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| General Characteristics Item Description | STAINLESS STEEL TYPE 303 PER ASTM A582,COND A,COLD FINISH; PASSIVATE PER MIL-STD-171,PARA 5.4.1; OVERALL DIM 3.372 IN. LG. IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 69590 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
NSN 4935-01-140-1989 is a Block,pivoting, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 4935, Guided Missile Maintenance, Repair, and Checkout Specialized Equipment. Status: active.
NSN 4935-01-140-1989 has 1 manufacturer part number on file: 69590 (Lockheed Martin Corp Electronics and Missiles Div).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-408-8172. Verify interchangeability with system specifications before substitution.
Key specifications for 69590: General Characteristics Item Description: STAINLESS STEEL TYPE 303 PER ASTM A582,COND A,COLD FINISH; PASSIVATE PER MIL-STD-171,PARA 5.4.1; OVERALL DIM 3.372 IN. LG. IN; End Item Identification: MISSILE AIM-9L/P. 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.
NSN 4935-01-140-1989 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.