Piston, Pump4320-00-482-2625

NSN 4320-00-482-2625 · NIIN 004822625

FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors

Government record, cited

Also searched as 4320-00-482-2625 · 4320004822625 · NIIN 004822625 · 00-482-2625 · FSC 4320 Power and Hand Pumps

Nearby stock numbers ← 4320-00-482-2447 · 4320-00-482-2677 Pump, Rotary →

Features

Piston,pump — FSC 4320
Material Document and Classification: QQ-S-763, CL 416 FED SPEC SINGLE MATERIAL RESPONSE
Material: STEEL COMP 416

Identification

NSN: 4320-00-482-2625
NIIN: 004822625
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors

General Description

The Piston,pump, cataloged under National Stock Number 4320-00-482-2625, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4320-00-482-2625
Item Name	Piston,pump
FSC / FSG	4320 / 43 — Power and Hand Pumps
Status	ACTIVE
Material Document and Classification	QQ-S-763, CL 416 FED SPEC SINGLE MATERIAL RESPONSE
Material	STEEL COMP 416

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
20D100B2	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 4320 — Power and Hand Pumps

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4320-00-001-1633

4320-00-001-1633 · Item name not on file

4320-00-001-2628

RETAINER AND PIN

4320-00-001-2629

HOUSING AND PIN

4320-00-001-2630

PUMP,CENTRIFUGAL

4320-00-001-2631

4320-00-001-2631 · Item name not on file

4320-00-001-2632

4320-00-001-2632 · Item name not on file

4320-00-001-3377

4320-00-001-3377 · Item name not on file

4320-00-001-3384

4320-00-001-3384 · Item name not on file

Frequently Asked Questions

What is NSN 4320-00-482-2625?

NSN 4320-00-482-2625 is a Piston,pump, classified under FSC 4320, Power and Hand Pumps. Status: active.

What are the specifications of 4320-00-482-2625?

Key specifications for 4320-00-482-2625: Material Document and Classification: QQ-S-763, CL 416 FED SPEC SINGLE MATERIAL RESPONSE; Special Features: ANNEALED ELECTROFILM 4396 O/A EXCEPT O-RING GROOVE PASSIVATED O/A; HEADDIA 1.360 IN. MIN,1.370 IN. MAX; LG 1.295 IN. NOM; SHAFT 0.247 IN. DIA NOM; HEAD WIDTH 0.290 IN. MIN,0.300 IN. MAX; SCREWDRIVER SLOT IN HEAD 0.062 IN. WIDE,0.062 IN. DEEP,0.875 IN. LG; O-RING GROOVE IN HEAD 0.054 IN. DEEP MIN,0.063 IN. DEEP MAX,RADIUS 0.050 IN. MIN,0.055 IN. MAX; FLANGE BEHIND O-RING GROOVE 0.055 IN. MIN,0.062 IN. MAX; STEP AT BASE OF HEAD 0.032 IN. LG,0.500 IN. DIA; HOLE IN SHAFT 0.062 IN. MIN DIA,0.065 IN. MAX DIA,LOCATED 0.182 IN. MIN,0.192 IN. MAX FROM END OF SHAFT IN; Material: STEEL COMP 416. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4320-00-482-2625 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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