PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6157Fitting,lubricant Pressure Relie

Popper & Sons, Inc. · NSN 4730-01-532-2245 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-532-2245 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-532-2245. Primary manufacturer part number: 6157.
Features
  • Fitting,lubricant Pressure Relie — FSC 4730
  • 2 verified cross-references
  • Primary manufacturer: Popper & Sons, Inc.
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Fitting,lubricant Pressure Relie, cataloged under National Stock Number 4730-01-532-2245, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Popper & Sons, Inc.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-532-2245
Primary Part Number6157
Item NameFitting,lubricant Pressure Relie
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerPopper & Sons, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5360-00-360-8018116183 INTERCHANGEABLE
Spring,helical,compression
Am General Llc
5330-00-641-21697B2051 INTERCHANGEABLE
Seal,plain Encased
Caterpillar Inc Div Caterpillar Defense
3120-00-662-8383 INTERCHANGEABLE
Bearing,sleeve
5330-00-710-6029 INTERCHANGEABLE
Gasket
3110-00-769-14264TL68111 INTERCHANGEABLE
Cup,tapered Roller Bearing
Ntn Bearing Corporation of America
5640-01-304-4030 INTERCHANGEABLE
Insulation Sleeving,thermal
5310-01-305-3825 INTERCHANGEABLE
Washer Assortment
7025-01-329-63986157 INTERCHANGEABLE
Tape Adapter
International Business Machines Corp Parts Order Center Dept E - 54
6080-01-524-2021 INTERCHANGEABLE
Splicing Kit,fiber Optic Cable
Cross-Reference Index
Part NumberManufacturer
6157 PRIMARY Popper & Sons, Inc. (USA)
516-5343915 ITEM F208 Naval Sea Systems Command (USA)
Related Parts
5360-00-360-8018INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
116183
5330-00-641-2169INTERCHANGEABLE
SEAL,PLAIN ENCASED
7B2051
3120-00-662-8383INTERCHANGEABLE
BEARING,SLEEVE
5330-00-710-6029INTERCHANGEABLE
GASKET
3110-00-769-1426INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
4TL68111
5640-01-304-4030INTERCHANGEABLE
INSULATION SLEEVING,THERMAL
5310-01-305-3825INTERCHANGEABLE
WASHER ASSORTMENT
7025-01-329-6398INTERCHANGEABLE
TAPE ADAPTER
6157
6080-01-524-2021INTERCHANGEABLE
SPLICING KIT,FIBER OPTIC CABLE

Frequently Asked Questions

What is NSN 4730-01-532-2245?

NSN 4730-01-532-2245 is a Fitting,lubricant Pressure Relie, manufactured by Popper & Sons, Inc., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-532-2245?

NSN 4730-01-532-2245 has 2 cross-referenced part numbers: 6157 (Popper & Sons, Inc.), 516-5343915 ITEM F208 (Naval Sea Systems Command).

What NSN replaces 4730-01-532-2245?

There are 9 known substitutes for 4730-01-532-2245: 5360-00-360-8018, 5330-00-641-2169, 3120-00-662-8383 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6157?

Key specifications for 6157: Special Features: C02/02 MONITOR DDS. 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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