PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

57099-5Lock,valve Spring Retainer

Sun Air Parts Inc · NSN 2810-01-429-9720 · FSC 2810 · No Item Name Available
Verified by PartsTable
NSN 2810-01-429-9720 — this item is cataloged by the U.S. Government under National Stock Number 2810-01-429-9720. Primary manufacturer part number: 57099-5.
Features
  • Lock,valve Spring Retainer — FSC 2810
  • 3 verified cross-references
  • Primary manufacturer: Sun Air Parts Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Mechanical energy storage
  • Vibration dampening
General Description

The Lock,valve Spring Retainer, cataloged under National Stock Number 2810-01-429-9720, is classified within Federal Supply Class 2810 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Sun Air Parts Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2810-01-429-9720
Primary Part Number57099-5
Item NameLock,valve Spring Retainer
FSC / FSG2810 / 28 — No Item Name Available
ManufacturerSun Air Parts Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-262-828310X711 INTERCHANGEABLE
Nut,plain,slotted,hexagon
Napco International Llc Dba Napco International Inc
Cross-Reference Index
Part NumberManufacturer
57099-5 Sun Air Parts Inc (USA)
57099-5 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
57099-5 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
5310-00-262-8283INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON
10X711

Frequently Asked Questions

What is NSN 2810-01-429-9720?

NSN 2810-01-429-9720 is a Lock,valve Spring Retainer, manufactured by Sun Air Parts Inc, classified under FSC 2810 (No Item Name Available). Status: active.

What are the part numbers for NSN 2810-01-429-9720?

NSN 2810-01-429-9720 has 3 cross-referenced part numbers: 57099-5 (Sun Air Parts Inc), 57099-5 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 57099-5 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 2810-01-429-9720?

There is 1 known substitute for 2810-01-429-9720: 5310-00-262-8283. Verify interchangeability with system specifications before substitution.

What are the specifications of 57099-5?

Key specifications for 57099-5: End Item Identification: R2800 RECIPROCTING ENGINE. 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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