General Characteristics Item Description: ALUMINUM ALLOY
Identification
NSN: 4810-01-273-2685
NIIN: 012732685
FSC: 4810 — Valves, Powered
FSG: 48 — Valves
General Description
The Retainer,valve, cataloged under National Stock Number 4810-01-273-2685, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
4810-01-273-2685
Item Name
Retainer,valve
FSC / FSG
4810 / 48 — Valves, Powered
Status
ACTIVE
General Characteristics Item Description
ALUMINUM ALLOY
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 Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4810-01-273-2686POSSIBLE MATCH
BLADE,VALVE
Possible match (shared part number)
4810-01-273-27183335386POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-273-5790POSSIBLE MATCH
PLUNGER,VALVE
Possible match (shared part number)
4820-01-273-57913335375 ITEM 28POSSIBLE MATCH
PIVOT,VALVE
Possible match (shared part number)Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
4820-01-273-5892POSSIBLE MATCH
GUIDE,VALVE STEM
Possible match (shared part number)
5340-01-713-90973335572POSSIBLE MATCH
CLIP,RETAINING
Possible match (shared part number)Cummins Inc.
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
3335375 ITEM 23
3/9Design control — primary reference
Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div
3335375
D/9Drawing number reference only
Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div
3335572
5/9Secondary reference
Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div
Related Parts
4810-01-273-2686POSSIBLE MATCH
BLADE,VALVE
4810-01-273-2718POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
3335386
4820-01-273-5790POSSIBLE MATCH
PLUNGER,VALVE
4820-01-273-5791POSSIBLE MATCH
PIVOT,VALVE
3335375 ITEM 28
4820-01-273-5892POSSIBLE MATCH
GUIDE,VALVE STEM
5340-01-713-9097POSSIBLE MATCH
CLIP,RETAINING
3335572
Frequently Asked Questions
What is NSN 4810-01-273-2685?
NSN 4810-01-273-2685 is a Retainer,valve, classified under FSC 4810, Valves, Powered. Status: active.
What NSN replaces 4810-01-273-2685?
6 possible matches (shared part number, not a government interchangeability claim): 4810-01-273-2686, 4810-01-273-2718, 4820-01-273-5790. Verify interchangeability with system specifications before substitution.
What are the specifications of 4810-01-273-2685?
Key specifications for 4810-01-273-2685: General Characteristics Item Description: ALUMINUM ALLOY. 1 specification is documented in the U.S. Government catalog.
Is NSN 4810-01-273-2685 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.