PartsTable TECHNICAL DATA SHEET

NSN 4320-01-503-1792Government record, cited

Seal Assembly, Shaft, Spring Loade4320-01-503-1792

NSN 4320-01-503-1792 · NIIN 015031792 · Part number 999-4213-B-05-90

Carver Pump Company · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 10941

Government record, cited

NSN 4320-01-503-1792 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-503-1792. Manufacturer of record part number: 999-4213-B-05-90.

Also searched as 4320-01-503-1792 · 4320015031792 · NIIN 015031792 · 01-503-1792 · FSC 4320 Power and Hand Pumps · CAGE 10941 · 999-4213-B-05-90 · NSP-00364-1 · NSP-00364-1 REV B · 091-212-99-0001 · 999-4213-F-06-9 · 999-4213-F-06 ITEM 90

Nearby stock numbers ← 4320-01-503-1788 Sleeve, Shaft, Pump · 4320-01-503-2085 Impeller, Pump, Centrifugal →

Features

Seal Assembly,shaft,spring Loade — FSC 4320
8 manufacturer part numbers on file
Manufacturer of record: Carver Pump Company

Identification

NSN: 4320-01-503-1792
NIIN: 015031792
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 999-4213-B-05-90
Manufacturer: Carver Pump Company

General Description

The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-503-1792, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Carver Pump Company. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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	Seal Assembly,shaft,spring Loade
FSC / FSG	4320 — Power and Hand Pumps (FSG 43)
Manufacturers	John Crane, Inc (CAGE 71724); Carver Pump Company (CAGE 10941)

Technical Specifications

Parameter	Value
NSN	4320-01-503-1792
Primary Part Number	999-4213-B-05-90
Item Name	Seal Assembly,shaft,spring Loade
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Carver Pump Company
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 Items 9

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4320-01-503-2085002-4213N01-552 11 15/16 POSSIBLE MATCH

IMPELLER,PUMP,CENTRIFUGAL

Possible match (shared part number)Carver Pump Company

4320-01-504-4230002-4413E03-282 POSSIBLE MATCH

IMPELLER,PUMP,CENTRIFUGAL

Possible match (shared part number)Carver Pump Company

4320-01-504-4231998-4213-E-10 POSSIBLE MATCH

PUMP,CENTRIFUGAL

Possible match (shared part number)Carver Pump Company

4320-01-504-4238US7-09-002-274 POSSIBLE MATCH

RING,WEARING

Possible match (shared part number)Carver Pump Company

4320-01-504-4240 POSSIBLE MATCH

RING,WEARING

Possible match (shared part number)

5365-01-504-4957999-4213-E-11-14 POSSIBLE MATCH

SPACER,SLEEVE

Possible match (shared part number)Carver Pump Company

3120-01-504-4998999-4213-E-11-63 POSSIBLE MATCH

BUSHING,SLEEVE

Possible match (shared part number)Carver Pump Company

5305-01-504-5293999-4213-E-11-667 POSSIBLE MATCH

SETSCREW

Possible match (shared part number)Carver Pump Company

4320-01-505-0505 POSSIBLE MATCH

RING,WEARING

Possible match (shared part number)

Cross-Reference Index

Part Number	Manufacturer
NSP-00364-1	John Crane, Inc (USA)
NSP-00364-1 REV B	John Crane, Inc (USA)
091-212-99-0001	Carver Pump Company (USA)
999-4213-F-06 ITEM 90	Carver Pump Company (USA)
999-4213-E-13 ITEM 90	Carver Pump Company (USA)
999-4213-E-11 ITEM 90	Carver Pump Company (USA)
999-4213-B-05-90 PRIMARY	Carver Pump Company (USA)
81642008	John Crane, Inc (USA)

Reference documents

Reference	Meaning
999-4213-F-06-9	C/1 Advisory reference — outside the item-of-supply concept Carver Pump Company
999-4213-E-13	D/9 Drawing number reference only Carver Pump Company
999-4213-E-11	D/9 Drawing number reference only Carver Pump Company

Related Parts

4320-01-503-2085POSSIBLE MATCH

IMPELLER,PUMP,CENTRIFUGAL

002-4213N01-552 11 15/16

4320-01-504-4230POSSIBLE MATCH

IMPELLER,PUMP,CENTRIFUGAL

002-4413E03-282

4320-01-504-4231POSSIBLE MATCH

PUMP,CENTRIFUGAL

998-4213-E-10

4320-01-504-4238POSSIBLE MATCH

RING,WEARING

US7-09-002-274

4320-01-504-4240POSSIBLE MATCH

RING,WEARING

5365-01-504-4957POSSIBLE MATCH

SPACER,SLEEVE

999-4213-E-11-14

3120-01-504-4998POSSIBLE MATCH

BUSHING,SLEEVE

999-4213-E-11-63

5305-01-504-5293POSSIBLE MATCH

SETSCREW

999-4213-E-11-667

4320-01-505-0505POSSIBLE MATCH

RING,WEARING

Frequently Asked Questions

What is NSN 4320-01-503-1792?

NSN 4320-01-503-1792 is a Seal Assembly,shaft,spring Loade, manufactured by Carver Pump Company, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-503-1792?

NSN 4320-01-503-1792 has 8 manufacturer part numbers on file: NSP-00364-1 (John Crane, Inc), NSP-00364-1 REV B (John Crane, Inc), 091-212-99-0001 (Carver Pump Company), 999-4213-F-06 ITEM 90 (Carver Pump Company), 999-4213-E-13 ITEM 90 (Carver Pump Company) and 3 more.

What NSN replaces 4320-01-503-1792?

9 possible matches (shared part number, not a government interchangeability claim): 4320-01-503-2085, 4320-01-504-4230, 4320-01-504-4231. Verify interchangeability with system specifications before substitution.

Is NSN 4320-01-503-1792 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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