PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4RLock,valve Spring Retainer

Subsalve Usa Llc · NSN 2815-01-648-2313 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-01-648-2313 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-648-2313. Primary manufacturer part number: 4R.
Features
  • Lock,valve Spring Retainer — FSC 2815
  • 1 verified cross-reference
  • Primary manufacturer: Subsalve Usa Llc
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 2815-01-648-2313, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Subsalve Usa Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameLock,valve Spring Retainer
FSC / FSG2815 — No Item Name Available (FSG 28)
ManufacturersSubsalve Usa Llc (CAGE 8Z023)
Technical Specifications
ParameterValue
NSN2815-01-648-2313
Primary Part Number4R
Item NameLock,valve Spring Retainer
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerSubsalve Usa Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5905-00-108-4957 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5910-00-161-1103 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
5910-00-164-7491 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
3444-00-243-5006 INTERCHANGEABLE
Press,arbor,hand Operated
5120-00-293-0049 INTERCHANGEABLE
Pliers,retaining Ring
3010-00-330-7514 INTERCHANGEABLE
Coupling,shaft,flexible
3655-00-354-3398 INTERCHANGEABLE
Coupling,fle,ible,a
3415-00-410-20604R INTERCHANGEABLE
Grinding Machine,computer Numeri
Cinetic Landis Grinding Corp. Dba Cinetic Landis Grinding Corp.
6625-00-625-78243191-1132P1ISSUE1 INTERCHANGEABLE
Meter,special Scale
Raytheon Company Dba Raytheon Co
5331-01-563-08084R INTERCHANGEABLE
O-Ring Straight Thr
Ssp Fittings Corp
Cross-Reference Index
Part NumberManufacturer
4R PRIMARY Subsalve Usa Llc (USA)
Related Parts
5905-00-108-4957INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5910-00-161-1103INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
5910-00-164-7491INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
3444-00-243-5006INTERCHANGEABLE
PRESS,ARBOR,HAND OPERATED
5120-00-293-0049INTERCHANGEABLE
PLIERS,RETAINING RING
3010-00-330-7514INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
3655-00-354-3398INTERCHANGEABLE
COUPLING,FLE,IBLE,A
3415-00-410-2060INTERCHANGEABLE
GRINDING MACHINE,COMPUTER NUMERI
4R
6625-00-625-7824INTERCHANGEABLE
METER,SPECIAL SCALE
3191-1132P1ISSUE1
5331-01-563-0808INTERCHANGEABLE
O-RING STRAIGHT THR
4R

Frequently Asked Questions

What is NSN 2815-01-648-2313?

NSN 2815-01-648-2313 is a Lock,valve Spring Retainer, manufactured by Subsalve Usa Llc, classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-01-648-2313?

NSN 2815-01-648-2313 has 1 cross-referenced part number: 4R (Subsalve Usa Llc).

What NSN replaces 2815-01-648-2313?

There are 10 known substitutes for 2815-01-648-2313: 5905-00-108-4957, 5910-00-161-1103, 5910-00-164-7491 and 7 more. Verify interchangeability with system specifications before substitution.

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