PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10577Seat and Seal Assembly

Lear Siegler Inc Sherwood Div · NSN 2930-00-838-9373 · FSC 2930 · No Item Name Available
Verified by PartsTable
NSN 2930-00-838-9373 — this item is cataloged by the U.S. Government under National Stock Number 2930-00-838-9373. Primary manufacturer part number: 10577.
Features
  • Seat and Seal Assembly — FSC 2930
  • General Characteristics Item Description: 1.625 IN. OD,BORE 0.625 IN.DIA IN
  • 1 verified cross-reference
  • Primary manufacturer: Lear Siegler Inc Sherwood Div
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seat and Seal Assembly, cataloged under National Stock Number 2930-00-838-9373, is classified within Federal Supply Class 2930 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Lear Siegler Inc Sherwood Div. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2930-00-838-9373
Primary Part Number10577
Item NameSeat and Seal Assembly
FSC / FSG2930 / 29 — No Item Name Available
ManufacturerLear Siegler Inc Sherwood Div
StatusACTIVE
General Characteristics Item Description1.625 IN. OD,BORE 0.625 IN.DIA IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-179-4177147263 INTERCHANGEABLE
Gasket
Cummins Inc.
5133-00-243-2217 INTERCHANGEABLE
Drill,twist
4730-00-270-46166-6120102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
2805-00-358-2366105-77 INTERCHANGEABLE
Camshaft,engine
Cummins Power Generation Inc.
5330-01-460-355510577SP INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
North American Controls Inc Dba North American Controls Inc
5310-01-519-559510-577 INTERCHANGEABLE
Nut,self-Locking,hexagon
Konrad Marine Inc Div Konrad Marine
Cross-Reference Index
Part NumberManufacturer
10577 Lear Siegler Inc Sherwood Div (USA)
Related Parts
5330-00-179-4177INTERCHANGEABLE
GASKET
147263
5133-00-243-2217INTERCHANGEABLE
DRILL,TWIST
4730-00-270-4616INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
6-6120102BA
2805-00-358-2366INTERCHANGEABLE
CAMSHAFT,ENGINE
105-77
5330-01-460-3555INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
10577SP
5310-01-519-5595INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
10-577

Frequently Asked Questions

What is NSN 2930-00-838-9373?

NSN 2930-00-838-9373 is a Seat and Seal Assembly, manufactured by Lear Siegler Inc Sherwood Div, classified under FSC 2930 (No Item Name Available). Status: active.

What are the part numbers for NSN 2930-00-838-9373?

NSN 2930-00-838-9373 has 1 cross-referenced part number: 10577 (Lear Siegler Inc Sherwood Div).

What NSN replaces 2930-00-838-9373?

There are 6 known substitutes for 2930-00-838-9373: 5330-00-179-4177, 5133-00-243-2217, 4730-00-270-4616 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10577?

Key specifications for 10577: General Characteristics Item Description: 1.625 IN. OD,BORE 0.625 IN.DIA IN. 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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