NSN 4820-01-310-6545 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-310-6545. Manufacturer of record part number: 253872 PIECE 10.
Manufacturer of record: Huntington Ingalls Inc Div Newport News Shipbuilding
Identification
NSN: 4820-01-310-6545
NIIN: 013106545
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 253872 PIECE 10
Manufacturer: Huntington Ingalls Inc Div Newport News Shipbuilding
General Description
The Retainer,disk,valve, cataloged under National Stock Number 4820-01-310-6545, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-310-6545
Primary Part Number
253872 PIECE 10
Item Name
Retainer,disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Huntington Ingalls Inc Div Newport News Shipbuilding
Status
ACTIVE
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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-310-6621253872 PIECE 4POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
4810-01-467-0805253872 ASSEMBLY 97POSSIBLE MATCH
VALVE,GATE
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
4810-01-467-1008253872 PC 3POSSIBLE MATCH
YOKE,GATE VALVE
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
5306-01-470-307242129-W381POSSIBLE MATCH
BOLT,MACHINE
Possible match (shared part number)Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
Reference documents
Reference
Meaning
253872
D/9Drawing number reference only
Huntington Ingalls Inc Div Newport News Shipbuilding
Related Parts
4820-01-310-6621POSSIBLE MATCH
DISK,VALVE
253872 PIECE 4
4810-01-467-0805POSSIBLE MATCH
VALVE,GATE
253872 ASSEMBLY 97
4810-01-467-1008POSSIBLE MATCH
YOKE,GATE VALVE
253872 PC 3
5306-01-470-3072POSSIBLE MATCH
BOLT,MACHINE
42129-W381
Frequently Asked Questions
What is NSN 4820-01-310-6545?
NSN 4820-01-310-6545 is a Retainer,disk,valve, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-310-6545?
NSN 4820-01-310-6545 has 1 manufacturer part number on file: 253872 PIECE 10 (Huntington Ingalls Inc Div Newport News Shipbuilding).
What NSN replaces 4820-01-310-6545?
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-310-6621, 4810-01-467-0805, 4810-01-467-1008. Verify interchangeability with system specifications before substitution.
What are the specifications of 253872 PIECE 10?
Key specifications for 253872 PIECE 10: Special Features: NICKEL COPPER ALLOY; BRAZED TO DISK WITH SILVER SOLDER; End Item Identification: 4820-01-217-4702. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-310-6545 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.