Sleeve, Shaft, Pump4320-01-145-5503

NSN 4320-01-145-5503 · NIIN 011455503 · Part number 40-LP

Frederick Custom Machining Inc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 23515

Government record, cited

NSN 4320-01-145-5503 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-145-5503. Manufacturer of record part number: 40-LP.

Also searched as 4320-01-145-5503 · 4320011455503 · NIIN 011455503 · 01-145-5503 · FSC 4320 Power and Hand Pumps · CAGE 23515 · 40-LP · 30101-C · 29991-D ITEM 40 · 29991-D

Nearby stock numbers ← 4320-01-145-5425 Seal Assembly, Shaft, Spring Loade · 4320-01-145-5565 Pump, Reciprocating →

Features

Sleeve,shaft,pump — FSC 4320
Material: NICKEL ALLOY OVERALL
3 manufacturer part numbers on file
Manufacturer of record: Frederick Custom Machining Inc

Identification

NSN: 4320-01-145-5503
NIIN: 011455503
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 40-LP
Manufacturer: Frederick Custom Machining Inc

General Description

The Sleeve,shaft,pump, cataloged under National Stock Number 4320-01-145-5503, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Frederick Custom Machining Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4320-01-145-5503
Primary Part Number	40-LP
Item Name	Sleeve,shaft,pump
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Frederick Custom Machining Inc
Status	ACTIVE
Material	NICKEL ALLOY OVERALL

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
30101-C	Frederick Custom Machining Inc (USA)
29991-D ITEM 40	Frederick Custom Machining Inc (USA)
40-LP PRIMARY	Frederick Custom Machining Inc (USA)

Reference documents

Reference	Meaning
29991-D	D/9 Drawing number reference only Frederick Custom Machining Inc

Frequently Asked Questions

What is NSN 4320-01-145-5503?

NSN 4320-01-145-5503 is a Sleeve,shaft,pump, manufactured by Frederick Custom Machining Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-145-5503?

NSN 4320-01-145-5503 has 3 manufacturer part numbers on file: 30101-C (Frederick Custom Machining Inc), 29991-D ITEM 40 (Frederick Custom Machining Inc), 40-LP (Frederick Custom Machining Inc).

What are the specifications of 40-LP?

Key specifications for 40-LP: Material: NICKEL ALLOY OVERALL. 1 specification is documented in the U.S. Government catalog.

Is NSN 4320-01-145-5503 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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