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NSN 4820-01-696-8627Government record, cited

Parts Kit, Diaphragm Replacement4820-01-696-8627

NSN 4820-01-696-8627 · NIIN 016968627 · Part number 521-0054
Caterpillar Inc Div Caterpillar Defense · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 11083
Government record, cited
NSN 4820-01-696-8627 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-696-8627. Manufacturer of record part number: 521-0054.
Also searched as  4820-01-696-8627 · 4820016968627 · NIIN 016968627 · 01-696-8627 · FSC 4820 Valves, Nonpowered · CAGE 11083 · 521-0054
Nearby stock numbers  ·
Features
  • Parts Kit,diaphragm Replacement — FSC 4820
  • Document Type: CATALOG SHEET
  • Component Document Origin: INDUSTRIAL
  • 1 manufacturer part number on file
  • Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
  • NSN: 4820-01-696-8627
  • NIIN: 016968627
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 521-0054
  • Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description

The Parts Kit,diaphragm Replacement, cataloged under National Stock Number 4820-01-696-8627, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-696-8627
Primary Part Number521-0054
Item NameParts Kit,diaphragm Replacement
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Document TypeCATALOG SHEET
Component Document OriginINDUSTRIAL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
521-0054 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-696-8627?

NSN 4820-01-696-8627 is a Parts Kit,diaphragm Replacement, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-696-8627?

NSN 4820-01-696-8627 has 1 manufacturer part number on file: 521-0054 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 521-0054?

Key specifications for 521-0054: Document Type: CATALOG SHEET; Component Document Origin: INDUSTRIAL; Special Features: USED ON GENERATOR AND VARIOUS DIESEL ENGINES,HIGHT:0.85 INCH NOMINAL,OYTSIDE DIAMETER:3.6 INCH NOMINAL IN; Part Name Assigned by Controlling Agency: PARTS KIT,DIAPHRAGM. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-696-8627 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.
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