Reference Number Differentiating Characteristics: BULKHEAD AND DECK SLEEVE,3/8 IN. NOM PIPE SIZE IN
Identification
NSN: 2040-00-273-0684
NIIN: 002730684
FSC: 2040 — Marine Hardware and Hull Items
FSG: 20 — Ship and Marine Equipment
General Description
The Sleeve,bulkhead and Deck, cataloged under National Stock Number 2040-00-273-0684, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
Parameter
Value
NSN
2040-00-273-0684
Item Name
Sleeve,bulkhead and Deck
FSC / FSG
2040 / 20 — Marine Hardware and Hull Items
Status
ACTIVE
Reference Number Differentiating Characteristics
BULKHEAD AND DECK SLEEVE,3/8 IN. NOM PIPE SIZE IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2040-00-273-0685POSSIBLE MATCH
SLEEVE,BULKHEAD AND DECK
Possible match (shared part number)
2040-00-273-0686POSSIBLE MATCH
SLEEVE,BULKHEAD AND DECK
Possible match (shared part number)
2040-00-273-06871385866 PLAIN 1.00 INCHPOSSIBLE MATCH
SLEEVE,BULKHEAD AND DECK
Possible match (shared part number)Naval Ship Systems Command
2040-00-273-06881385866PLAINPOSSIBLE MATCH
SLEEVE,BULKHEAD AND DECK
Possible match (shared part number)Naval Ship Systems Command
2040-00-273-0689810-2145801-1 1/2 INCHPOSSIBLE MATCH
BULKHEAD SLEEVE
Possible match (shared part number)Naval Ship Systems Command
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
1385866PLAIN
5/1Secondary reference
U.S. Government activity
810-2145801-3/8
3/1Design control — primary reference
U.S. Government activity
5000S4823-841338
5/1Secondary reference
U.S. Government activity
B189PLAIN
5/1Secondary reference
U.S. Government activity
Related Parts
2040-00-273-0685POSSIBLE MATCH
SLEEVE,BULKHEAD AND DECK
2040-00-273-0686POSSIBLE MATCH
SLEEVE,BULKHEAD AND DECK
2040-00-273-0687POSSIBLE MATCH
SLEEVE,BULKHEAD AND DECK
1385866 PLAIN 1.00 INCH
2040-00-273-0688POSSIBLE MATCH
SLEEVE,BULKHEAD AND DECK
1385866PLAIN
2040-00-273-0689POSSIBLE MATCH
BULKHEAD SLEEVE
810-2145801-1 1/2 INCH
Frequently Asked Questions
What is NSN 2040-00-273-0684?
NSN 2040-00-273-0684 is a Sleeve,bulkhead and Deck, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
What NSN replaces 2040-00-273-0684?
5 possible matches (shared part number, not a government interchangeability claim): 2040-00-273-0685, 2040-00-273-0686, 2040-00-273-0687. Verify interchangeability with system specifications before substitution.
What are the specifications of 2040-00-273-0684?
Key specifications for 2040-00-273-0684: Reference Number Differentiating Characteristics: BULKHEAD AND DECK SLEEVE,3/8 IN. NOM PIPE SIZE IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 2040-00-273-0684 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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.