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NSN 2040-01-491-6631Government record, cited
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Dog, Door, Marine2040-01-491-6631

NSN 2040-01-491-6631 · NIIN 014916631 · Part number 167-6985306 PART 30
Naval Sea Systems Command · FSC 2040 — Marine Hardware and Hull Items · FSG 20 — Ship and Marine Equipment · CAGE 53711
Government record, cited
NSN 2040-01-491-6631 — this item is cataloged by the U.S. Government under National Stock Number 2040-01-491-6631. Manufacturer of record part number: 167-6985306 PART 30.
Also searched as  2040-01-491-6631 · 2040014916631 · NIIN 014916631 · 01-491-6631 · FSC 2040 Marine Hardware and Hull Items · CAGE 53711 · 167-6985306 PART 30 · 6985306 · H542-1701 PART 30
Nearby stock numbers  ·
Features
  • Dog,door,marine — FSC 2040
  • Design Type: ADJUSTABLE
  • Specific Usage Design: LOS ANGELES CLASS SSN 688,DOOR ASSY WAT
  • Material: STEEL
  • Operation Method: MANUAL
  • Member Minimum Thickness for Which Designed: 0.995 INCHES IN
  • 1 manufacturer part number on file
  • Manufacturer of record: Naval Sea Systems Command
Identification
  • NSN: 2040-01-491-6631
  • NIIN: 014916631
  • FSC: 2040 — Marine Hardware and Hull Items
  • FSG: 20 — Ship and Marine Equipment
  • Primary part number: 167-6985306 PART 30
  • Manufacturer: Naval Sea Systems Command
General Description

The Dog,door,marine, cataloged under National Stock Number 2040-01-491-6631, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2040-01-491-6631
Primary Part Number167-6985306 PART 30
Item NameDog,door,marine
FSC / FSG2040 / 20 — Marine Hardware and Hull Items
ManufacturerNaval Sea Systems Command
StatusACTIVE
Design TypeADJUSTABLE
Specific Usage DesignLOS ANGELES CLASS SSN 688,DOOR ASSY WAT
MaterialSTEEL
Operation MethodMANUAL
Member Minimum Thickness for Which Designed0.995 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2040-01-491-6634167-6985306 PART 29 POSSIBLE MATCH
DOG,DOOR,MARINE
Possible match (shared part number)Naval Sea Systems Command
2040-01-491-6944167-6985306 PART 94 POSSIBLE MATCH
SHOE,DOG,DOOR,MARINE
Possible match (shared part number)Naval Sea Systems Command
2040-01-491-6961167-6985306 PART 14 POSSIBLE MATCH
SPIDER,DOG,SCUTTLE
Possible match (shared part number)Naval Sea Systems Command
2040-01-491-7434167-6985306 PART A1 POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
Possible match (shared part number)Naval Sea Systems Command
2040-01-500-5293167-6985306-96 POSSIBLE MATCH
DOG,DOOR,MARINE
Possible match (shared part number)Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
167-6985306 PART 30 PRIMARY Naval Sea Systems Command (USA)
Reference documents
ReferenceMeaning
6985306 D/9 Drawing number reference only
Naval Sea Systems Command
H542-1701 PART 30 5/9 Secondary reference
U.S. Government activity
Related Parts
2040-01-491-6634POSSIBLE MATCH
DOG,DOOR,MARINE
167-6985306 PART 29
2040-01-491-6944POSSIBLE MATCH
SHOE,DOG,DOOR,MARINE
167-6985306 PART 94
2040-01-491-6961POSSIBLE MATCH
SPIDER,DOG,SCUTTLE
167-6985306 PART 14
2040-01-491-7434POSSIBLE MATCH
DOOR,METAL,MARINE STRUCTURAL
167-6985306 PART A1
2040-01-500-5293POSSIBLE MATCH
DOG,DOOR,MARINE
167-6985306-96

Frequently Asked Questions

What is NSN 2040-01-491-6631?

NSN 2040-01-491-6631 is a Dog,door,marine, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.

What part numbers are listed for NSN 2040-01-491-6631?

NSN 2040-01-491-6631 has 1 manufacturer part number on file: 167-6985306 PART 30 (Naval Sea Systems Command).

What NSN replaces 2040-01-491-6631?

5 possible matches (shared part number, not a government interchangeability claim): 2040-01-491-6634, 2040-01-491-6944, 2040-01-491-6961. Verify interchangeability with system specifications before substitution.

What are the specifications of 167-6985306 PART 30?

Key specifications for 167-6985306 PART 30: Design Type: ADJUSTABLE; Specific Usage Design: LOS ANGELES CLASS SSN 688,DOOR ASSY WAT; End Item Identification: DOOR ASSY WAT(LOS ANGELES CLASS SSN 688); Material: STEEL. 5 specifications are documented in the U.S. Government catalog.

Is NSN 2040-01-491-6631 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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