PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44055Lock,valve Spring Retainer

Bourns Inc · NSN 2805-01-340-1630 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-01-340-1630 — this item is cataloged by the U.S. Government under National Stock Number 2805-01-340-1630. Primary manufacturer part number: 44055.
Features
  • Lock,valve Spring Retainer — FSC 2805
  • Material: STEEL CORROSION RESISTING
  • Casehardening Indicator: NOT CASEHARDENED
  • 2 verified cross-references
  • Primary manufacturer: Bourns 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 2805-01-340-1630, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Bourns Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-01-340-1630
Primary Part Number44055
Item NameLock,valve Spring Retainer
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerBourns Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Casehardening IndicatorNOT CASEHARDENED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6220-00-169-25679B7176 INTERCHANGEABLE
Lens,light
Caterpillar Inc Div Caterpillar Defense
2590-00-236-951244055 INTERCHANGEABLE
Cap,filler Opening
Center - Moeller Products Llc
5330-00-477-127444055 INTERCHANGEABLE
Gasket
Jenny Products, Inc
5950-00-648-546044055 INTERCHANGEABLE
Coil,radio Frequency
L3harris Technologies, Inc Div Space & Airborne Systems
3030-00-716-7894 INTERCHANGEABLE
Belt,positive Drive
5120-01-335-0776 INTERCHANGEABLE
Socket,socket Wrench
5315-01-516-6608 INTERCHANGEABLE
Pin,straight,threaded
Cross-Reference Index
Part NumberManufacturer
44055 PRIMARY Bourns Inc (USA)
44055 Cat Pumps Corp (USA)
Related Parts
6220-00-169-2567INTERCHANGEABLE
LENS,LIGHT
9B7176
2590-00-236-9512INTERCHANGEABLE
CAP,FILLER OPENING
44055
5330-00-477-1274INTERCHANGEABLE
GASKET
44055
5950-00-648-5460INTERCHANGEABLE
COIL,RADIO FREQUENCY
44055
3030-00-716-7894INTERCHANGEABLE
BELT,POSITIVE DRIVE
5120-01-335-0776INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5315-01-516-6608INTERCHANGEABLE
PIN,STRAIGHT,THREADED

Frequently Asked Questions

What is NSN 2805-01-340-1630?

NSN 2805-01-340-1630 is a Lock,valve Spring Retainer, manufactured by Bourns Inc, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-01-340-1630?

NSN 2805-01-340-1630 has 2 cross-referenced part numbers: 44055 (Bourns Inc), 44055 (Cat Pumps Corp).

What NSN replaces 2805-01-340-1630?

There are 7 known substitutes for 2805-01-340-1630: 6220-00-169-2567, 2590-00-236-9512, 5330-00-477-1274 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 44055?

Key specifications for 44055: End Item Identification: RECIPROCATING PUMP,CAT PUMPS CORPORATION,MODEL NO. 277; Material: STEEL CORROSION RESISTING; Casehardening Indicator: NOT CASEHARDENED. 3 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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