NSN 4820-01-651-4710 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-651-4710. Manufacturer of record part number: 9A-0199-0276A.
Manufacturer of record: Cameron Energy Services Corp.
Identification
NSN: 4820-01-651-4710
NIIN: 016514710
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 9A-0199-0276A
Manufacturer: Cameron Energy Services Corp.
General Description
The Bellows Unit Assemb, cataloged under National Stock Number 4820-01-651-4710, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cameron Energy Services Corp.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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.
Catalog Facts
Item Name
Bellows Unit Assemb
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
Cameron Energy Services Corp. (CAGE 05991)
Technical Specifications
Parameter
Value
NSN
4820-01-651-4710
Primary Part Number
9A-0199-0276A
Item Name
Bellows Unit Assemb
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Cameron Energy Services Corp.
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4940-01-651-47429A-0199-0033APOSSIBLE MATCH
DIFFERENTIAL PRESSU
Possible match (shared part number)Cameron Energy Services Corp.
4940-01-651-47879A-0385-0027APOSSIBLE MATCH
DIFFERENTIAL PRESSU
Possible match (shared part number)Cameron Energy Services Corp.
4940-01-651-48379A-0199-0152APOSSIBLE MATCH
DIFFERENTIAL PRESSU
Possible match (shared part number)Cameron Energy Services Corp.
3040-01-651-48749A-0199-1410BPOSSIBLE MATCH
TENSION SPRING ASSEMBLY
Possible match (shared part number)Cameron Energy Services Corp.
5930-01-651-95339A-0199-034APOSSIBLE MATCH
SWITCH,PRESSURE
Possible match (shared part number)Cameron Energy Services Corp.
C/1Advisory reference — outside the item-of-supply concept
Cameron Energy Services Corp.
D4R-19219
D/9Drawing number reference only
Cameron Energy Services Corp.
Related Parts
4940-01-651-4742POSSIBLE MATCH
DIFFERENTIAL PRESSU
9A-0199-0033A
4940-01-651-4787POSSIBLE MATCH
DIFFERENTIAL PRESSU
9A-0385-0027A
4940-01-651-4837POSSIBLE MATCH
DIFFERENTIAL PRESSU
9A-0199-0152A
3040-01-651-4874POSSIBLE MATCH
TENSION SPRING ASSEMBLY
9A-0199-1410B
5930-01-651-9533POSSIBLE MATCH
SWITCH,PRESSURE
9A-0199-034A
Frequently Asked Questions
What is NSN 4820-01-651-4710?
NSN 4820-01-651-4710 is a Bellows Unit Assemb, manufactured by Cameron Energy Services Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-651-4710?
NSN 4820-01-651-4710 has 1 manufacturer part number on file: 9A-0199-0276A (Cameron Energy Services Corp.).
What NSN replaces 4820-01-651-4710?
5 possible matches (shared part number, not a government interchangeability claim): 4940-01-651-4742, 4940-01-651-4787, 4940-01-651-4837. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-651-4710 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.