PartsTable TECHNICAL DATA SHEET
SEPTEMBER 2026Technical Data Sheet

N-656 PC 10Ball,relief

Grove Valve Operations · NSN 4470-00-951-5042 · FSC 4470 · No Item Name Available
Verified by PartsTable
NSN 4470-00-951-5042 — this item is cataloged by the U.S. Government under National Stock Number 4470-00-951-5042. Primary manufacturer part number: N-656 PC 10.
Features
  • Ball,relief — FSC 4470
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • Criticality Code Justification: ZZZY
  • 3 verified cross-references
  • Primary manufacturer: Grove Valve Operations
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ball,relief, cataloged under National Stock Number 4470-00-951-5042, is classified within Federal Supply Class 4470 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Grove Valve Operations. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the government interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4470-00-951-5042
Primary Part NumberN-656 PC 10
Item NameBall,relief
FSC / FSG4470 / 44 — No Item Name Available
ManufacturerGrove Valve Operations
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
⇄ Verified Substitutes 12
3110-00-198-1050 INTERCHANGEABLE
Ball,bearing
6515-00-386-977221601 INTERCHANGEABLE
Otoscope
Welch Allyn, Inc.
2010-00-395-1701FSBA57CPC2-1601 INTERCHANGEABLE
Housing,gear
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
4820-00-733-511411548U2U045K INTERCHANGEABLE
Valve,regulating,fluid Pressure
Grove Valve Operations
6645-00-837-2267034701 INTERCHANGEABLE
Timer,interval
Miller Electric Mfg. Llc
5975-01-066-64948224 INTERCHANGEABLE
Coupling,electrical Conduit
Abb Installation Products Inc
5998-01-074-2509 INTERCHANGEABLE
Circuit Card Assembly
5975-01-201-140521601 INTERCHANGEABLE
Mounting Base,electrical Equipme
Kurz & Root Generator Company, Llc
4820-01-251-7707YB2326F292 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-251-7769NB22964743 INTERCHANGEABLE
Stem,fluid Valve
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
N-656 PC 10 Grove Valve Operations (USA)
N-730 Grove Valve Operations (USA)
21601 Grove Valve Operations (USA)
Related Parts
3110-00-198-1050INTERCHANGEABLE
BALL,BEARING
6515-00-386-9772INTERCHANGEABLE
OTOSCOPE
21601
2010-00-395-1701INTERCHANGEABLE
HOUSING,GEAR
FSBA57CPC2-1601
4820-00-733-5114INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
11548U2U045K
6645-00-837-2267INTERCHANGEABLE
TIMER,INTERVAL
034701
5975-01-066-6494INTERCHANGEABLE
COUPLING,ELECTRICAL CONDUIT
8224
5998-01-074-2509INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5975-01-201-1405INTERCHANGEABLE
MOUNTING BASE,ELECTRICAL EQUIPME
21601
4820-01-251-7707INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
YB2326F292
4820-01-251-7769INTERCHANGEABLE
STEM,FLUID VALVE
NB22964743
4820-01-252-2630INTERCHANGEABLE
SEAT,VALVE
229-649-45
3110-01-288-5032INTERCHANGEABLE
BALL,BEARING
21601

Frequently Asked Questions

What is NSN 4470-00-951-5042?

NSN 4470-00-951-5042 is a Ball,relief, manufactured by Grove Valve Operations, classified under FSC 4470 (No Item Name Available). Status: active.

What are the part numbers for NSN 4470-00-951-5042?

NSN 4470-00-951-5042 has 3 cross-referenced part numbers: N-656 PC 10 (Grove Valve Operations), N-730 (Grove Valve Operations), 21601 (Grove Valve Operations).

What NSN replaces 4470-00-951-5042?

There are 12 known substitutes for 4470-00-951-5042: 3110-00-198-1050, 6515-00-386-9772, 2010-00-395-1701 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N-656 PC 10?

Key specifications for N-656 PC 10: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.; Criticality Code Justification: ZZZY. 2 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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