The Cover,access, cataloged under National Stock Number 5340-01-134-0821, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Item Name | Cover,access |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (CAGE 15187) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-134-0821 |
| Primary Part Number | NS-3969 PIECE 2 1/2 IN |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| 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 |
|---|---|
| NS-3969 PIECE 2 1/2 IN PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| NS-3969 PIECE 2 1/2 IN | 5/9 Secondary reference National Oilwell |
| NS-3969 | 5/9 Secondary reference National Oilwell |
| NS-3969 PIECE 2 | C/1 Advisory reference — outside the item-of-supply concept National Oilwell |
| NS-3969 | D/9 Drawing number reference only Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
NSN 5340-01-134-0821 is a Cover,access, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-134-0821 has 1 manufacturer part number on file: NS-3969 PIECE 2 1/2 IN (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-151-3682. Verify interchangeability with system specifications before substitution.
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.