PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

57-32Seal Assembly,shaft,spring Loade

N R M Corp · NSN 4320-00-872-4999 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-872-4999 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-872-4999. Primary manufacturer part number: 57-32.
Features
  • Seal Assembly,shaft,spring Loade — FSC 4320
  • General Characteristics Item Description: CONSISTS OF 1 SEAL,STATIONARY;1 SEAL,ROTARY;1 SEAT;4 SPRINGS
  • 2 verified cross-references
  • Primary manufacturer: N R M Corp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Mechanical energy storage
  • Vibration dampening
General Description

The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-00-872-4999, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is N R M Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-872-4999
Primary Part Number57-32
Item NameSeal Assembly,shaft,spring Loade
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerN R M Corp
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF 1 SEAL,STATIONARY;1 SEAL,ROTARY;1 SEAT;4 SPRINGS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5315-00-145-2368 INTERCHANGEABLE
Pin,bearing
3110-00-184-1004 INTERCHANGEABLE
Bearing,ball,annular
5360-00-326-46125732 INTERCHANGEABLE
Spring,helical,compression
Meggitt North Hollywood Inc
5330-00-383-7487400A00416 INTERCHANGEABLE
Gasket
Sealcraft Corporation
5950-00-790-01561981535 INTERCHANGEABLE
Transformer,radio Frequency
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5975-00-879-4932 INTERCHANGEABLE
Junction Box
5307-01-178-1219 INTERCHANGEABLE
Stud
5365-01-208-62465732 INTERCHANGEABLE
Spacer,brake,motor
Edro Corporation, the Dba Edro Corp
4730-01-559-75135732 INTERCHANGEABLE
Clamp,hose
Epicor Industries Inc Ideal Div
4920-01-596-47775732 INTERCHANGEABLE
Test Stand,electric,hydraulic an
Bauer, Inc.
Cross-Reference Index
Part NumberManufacturer
57-32 N R M Corp (USA)
201465 N R M Corp (USA)
Related Parts
5315-00-145-2368INTERCHANGEABLE
PIN,BEARING
3110-00-184-1004INTERCHANGEABLE
BEARING,BALL,ANNULAR
5360-00-326-4612INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5732
5330-00-383-7487INTERCHANGEABLE
GASKET
400A00416
5950-00-790-0156INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
1981535
5975-00-879-4932INTERCHANGEABLE
JUNCTION BOX
5307-01-178-1219INTERCHANGEABLE
STUD
5365-01-208-6246INTERCHANGEABLE
SPACER,BRAKE,MOTOR
5732
4730-01-559-7513INTERCHANGEABLE
CLAMP,HOSE
5732
4920-01-596-4777INTERCHANGEABLE
TEST STAND,ELECTRIC,HYDRAULIC AN
5732
4730-01-628-3213INTERCHANGEABLE
REDUCER,PIPE
57-3-2

Frequently Asked Questions

What is NSN 4320-00-872-4999?

NSN 4320-00-872-4999 is a Seal Assembly,shaft,spring Loade, manufactured by N R M Corp, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-872-4999?

NSN 4320-00-872-4999 has 2 cross-referenced part numbers: 57-32 (N R M Corp), 201465 (N R M Corp).

What NSN replaces 4320-00-872-4999?

There are 11 known substitutes for 4320-00-872-4999: 5315-00-145-2368, 3110-00-184-1004, 5360-00-326-4612 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 57-32?

Key specifications for 57-32: General Characteristics Item Description: CONSISTS OF 1 SEAL,STATIONARY;1 SEAL,ROTARY;1 SEAT;4 SPRINGS. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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