PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31121-1Block,filler,mortar

Ares, Inc · NSN 1015-01-543-4245 · FSC 1015 · No Item Name Available
Verified by PartsTable
NSN 1015-01-543-4245 — this item is cataloged by the U.S. Government under National Stock Number 1015-01-543-4245. Primary manufacturer part number: 31121-1.
Features
  • Block,filler,mortar — FSC 1015
  • 1 verified cross-reference
  • Primary manufacturer: Ares, Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Block,filler,mortar, cataloged under National Stock Number 1015-01-543-4245, is classified within Federal Supply Class 1015 (No Item Name Available) of the Weapons group. The primary manufacturer of record is Ares, Inc. This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN1015-01-543-4245
Primary Part Number31121-1
Item NameBlock,filler,mortar
FSC / FSG1015 / 10 — No Item Name Available
ManufacturerAres, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3020-00-015-860931121-1 INTERCHANGEABLE
Gear,spur
Rtx Corporation Div Pratt & Whitney
4810-00-172-389073212BN2MN00N0L111P3 INTERCHANGEABLE
Valve,solenoid
Parker-Hannifin Corporation Dba Pneutronics Div Fluid Control Division
5315-00-222-71415315H23-000 INTERCHANGEABLE
Pin,straight,headless
Us Army Aviation and Missile Command
5935-01-192-8013 INTERCHANGEABLE
Connector,receptacle,electrical
2815-01-339-79503 1121-1 INTERCHANGEABLE
Engine Block,diesel
Mak Americas Inc
4140-01-347-3343 INTERCHANGEABLE
Fan,vaneaxial
6150-01-710-313231121-1 INTERCHANGEABLE
Cable and Conduit Assembly,elect
Flexco Microwave Inc
Cross-Reference Index
Part NumberManufacturer
31121-1 PRIMARY Ares, Inc (USA)
Related Parts
3020-00-015-8609INTERCHANGEABLE
GEAR,SPUR
31121-1
4810-00-172-3890INTERCHANGEABLE
VALVE,SOLENOID
73212BN2MN00N0L111P3
5315-00-222-7141INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315H23-000
5935-01-192-8013INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2815-01-339-7950INTERCHANGEABLE
ENGINE BLOCK,DIESEL
3 1121-1
4140-01-347-3343INTERCHANGEABLE
FAN,VANEAXIAL
6150-01-710-3132INTERCHANGEABLE
CABLE AND CONDUIT ASSEMBLY,ELECT
31121-1

Frequently Asked Questions

What is NSN 1015-01-543-4245?

NSN 1015-01-543-4245 is a Block,filler,mortar, manufactured by Ares, Inc, classified under FSC 1015 (No Item Name Available). Status: active.

What are the part numbers for NSN 1015-01-543-4245?

NSN 1015-01-543-4245 has 1 cross-referenced part number: 31121-1 (Ares, Inc).

What NSN replaces 1015-01-543-4245?

There are 7 known substitutes for 1015-01-543-4245: 3020-00-015-8609, 4810-00-172-3890, 5315-00-222-7141 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31121-1?

Key specifications for 31121-1: Part Name Assigned by Controlling Agency: BLOCK,NITROGEN FILL; End Item Identification: STRYKER,MGS. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com