General Characteristics Item Description: MATERIAL ALUMINUM ALLOY 2024-T4,O/A DIM. 1.000 IN DIA,0.156 IN.LG,GREY ANODIZED FINISH IN
Identification
NSN: 4820-00-654-0709
NIIN: 006540709
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
General Description
The Retainer,pressure Regulator, cataloged under National Stock Number 4820-00-654-0709, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
4820-00-654-0709
Item Name
Retainer,pressure Regulator
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
General Characteristics Item Description
MATERIAL ALUMINUM ALLOY 2024-T4,O/A DIM. 1.000 IN DIA,0.156 IN.LG,GREY ANODIZED FINISH 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.
6685-00-822-6913POSSIBLE MATCH
TESTER,PYROMETER AND THERMOCOUPL
Possible match (shared part number)
5315-00-845-38818686POSSIBLE MATCH
PIN,STRAIGHT,HEADED
Possible match (shared part number)Goodrich Corporation
5950-00-881-70498686POSSIBLE MATCH
TRANSFORMER,POWER
Possible match (shared part number)Emcore Corporation Div Concord Division
6685-00-892-1589POSSIBLE MATCH
PYROMETER,INDICATING
Possible match (shared part number)
9390-01-645-82268686POSSIBLE MATCH
TAPE,PROTECTIVE,PLASTIC
Possible match (shared part number)3m Company
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
8686
3/9Design control — primary reference
Prosperity a Div of Ametek Inc
Related Parts
6685-00-822-6913POSSIBLE MATCH
TESTER,PYROMETER AND THERMOCOUPL
5315-00-845-3881POSSIBLE MATCH
PIN,STRAIGHT,HEADED
8686
5950-00-881-7049POSSIBLE MATCH
TRANSFORMER,POWER
8686
6685-00-892-1589POSSIBLE MATCH
PYROMETER,INDICATING
9390-01-645-8226POSSIBLE MATCH
TAPE,PROTECTIVE,PLASTIC
8686
Frequently Asked Questions
What is NSN 4820-00-654-0709?
NSN 4820-00-654-0709 is a Retainer,pressure Regulator, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-00-654-0709?
5 possible matches (shared part number, not a government interchangeability claim): 6685-00-822-6913, 5315-00-845-3881, 5950-00-881-7049. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-00-654-0709?
Key specifications for 4820-00-654-0709: General Characteristics Item Description: MATERIAL ALUMINUM ALLOY 2024-T4,O/A DIM. 1.000 IN DIA,0.156 IN.LG,GREY ANODIZED FINISH IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-00-654-0709 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.