Valve, Bleeder, Hydraulic System4820-00-028-9991

NSN 4820-00-028-9991 · NIIN 000289991 · Part number 7D6864

Caterpillar Inc Div Caterpillar Defense · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 11083

Government record, cited

NSN 4820-00-028-9991 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-028-9991. Manufacturer of record part number: 7D6864.

Also searched as 4820-00-028-9991 · 4820000289991 · NIIN 000289991 · 00-028-9991 · FSC 4820 Valves, Nonpowered · CAGE 11083 · 7D6864

Nearby stock numbers ← 4820-00-028-9976 Valve, Safety Relief · 4820-00-029-0024 Valve, Check →

4820-00-028-9991 — Valves, Nonpowered

Features

Valve,bleeder,hydraulic System — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 4820-00-028-9991
NIIN: 000289991
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 7D6864
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Valve,bleeder,hydraulic System, cataloged under National Stock Number 4820-00-028-9991, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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

Parameter	Value
NSN	4820-00-028-9991
Primary Part Number	7D6864
Item Name	Valve,bleeder,hydraulic System
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Caterpillar Inc Div Caterpillar Defense
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

Cross-Reference Index

Part Number	Manufacturer
7D6864 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 4820-00-028-9991?

NSN 4820-00-028-9991 is a Valve,bleeder,hydraulic System, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-00-028-9991?

NSN 4820-00-028-9991 has 1 manufacturer part number on file: 7D6864 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 7D6864?

Key specifications for 7D6864: Special Features: STEEL,1.250 IN. O/A LG,0.125 IN. DIA HOLE DRILLED THRU CENTER OF VALVE,7/16-20 EXTERNAL THREAD,0.125 IN. DIA OF HOLE DRILLED AT SMALL END,0.562 IN.DIA ACROSS HEX WRENCHING FEATURE,0.250 IN. H OF HEXHEAD,0.500 IN. LG OF THREAD; VALVE, BRAKE, AIR CONTROL USED ON WHEEL TRACTOR SCRAPER, CATERPILLAR MODEL 637 IN; End Item Identification: SHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE); SCRAPER TRACTOR, WHEELED; SCRAPER (621B). 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-00-028-9991 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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