Arm, Support1240-01-140-2573

NSN 1240-01-140-2573 · NIIN 011402573 · Part number 12294162

Us Army Aviation and Missile Command · FSC 1240 — Optical Sighting and Ranging Equipment · FSG 12 — Fire Control Equipment · CAGE 18876

Government record, cited

NSN 1240-01-140-2573 — this item is cataloged by the U.S. Government under National Stock Number 1240-01-140-2573. Manufacturer of record part number: 12294162.

Also searched as 1240-01-140-2573 · 1240011402573 · NIIN 011402573 · 01-140-2573 · FSC 1240 Optical Sighting and Ranging Equipment · CAGE 18876 · 12294162

Nearby stock numbers ← 1240-01-139-6853 Telescope Subassembly · 1240-01-140-2576 Actuator, Telescope →

Features

Arm,support — FSC 1240
General Characteristics Item Description: INVESTMENT CAST 304L STAINLESS PER AMS 5370; BLACK OXIDE FINISH PER MIL-C-13924,CLASS 4; OVERALL LENGTH 1.690 IN.; OVERALL WIDTH 0.720 IN.; OVERALL THICKNESS 0.510 IN.; CONTAINS HOLE 0.255 IN. DIA,1.030 IN. ALONG LENGTH,HOLE DIA EXTENDED TO 0.3515 IN.,0.970 ALONG LENGTH; 1 HOLE WITH KEYWAY 0.2505 IN. DIA THRU WIDTH; 2 HOLES THRU THICKNESS 0.125 IN. DIA NEARSIDE,.112-40UNC-2B FARSIDE; 2 SLOTS ALONG BOTH SIDES OF LENGTH 0.103 IN. WIDE,0.198 IN. LONG IN
2 manufacturer part numbers on file
Manufacturer of record: Us Army Aviation and Missile Command

Identification

NSN: 1240-01-140-2573
NIIN: 011402573
FSC: 1240 — Optical Sighting and Ranging Equipment
FSG: 12 — Fire Control Equipment
Primary part number: 12294162
Manufacturer: Us Army Aviation and Missile Command

General Description

The Arm,support, cataloged under National Stock Number 1240-01-140-2573, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	1240-01-140-2573
Primary Part Number	12294162
Item Name	Arm,support
FSC / FSG	1240 / 12 — Optical Sighting and Ranging Equipment
Manufacturer	Us Army Aviation and Missile Command
Status	ACTIVE
General Characteristics Item Description	INVESTMENT CAST 304L STAINLESS PER AMS 5370; BLACK OXIDE FINISH PER MIL-C-13924,CLASS 4; OVERALL LENGTH 1.690 IN.; OVERALL WIDTH 0.720 IN.; OVERALL THICKNESS 0.510 IN.; CONTAINS HOLE 0.255 IN. DIA,1.030 IN. ALONG LENGTH,HOLE DIA EXTENDED TO 0.3515 IN.,0.970 ALONG LENGTH; 1 HOLE WITH KEYWAY 0.2505 IN. DIA THRU WIDTH; 2 HOLES THRU THICKNESS 0.125 IN. DIA NEARSIDE,.112-40UNC-2B FARSIDE; 2 SLOTS ALONG BOTH SIDES OF LENGTH 0.103 IN. WIDE,0.198 IN. LONG IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
12294162 PRIMARY	Us Army Aviation and Missile Command (USA)
12294162	U S Army Tank Automotive Command Amsta-Im-Mm (USA)

No interchangeability data on file.

Other items in FSC 1240 — Optical Sighting and Ranging Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

1240-00-000-0160

SIGHT UNIT

1240-00-001-4014

1240-00-001-4014 · Item name not on file

1240-00-001-4015

1240-00-001-4015 · Item name not on file

1240-00-001-4488

FILTER,LIGHT,OPTICAL INSTRUMENT

1240-00-003-1076

1240-00-003-1076 · Item name not on file

1240-00-003-8404

1240-00-003-8404 · Item name not on file

1240-00-003-8405

1240-00-003-8405 · Item name not on file

1240-00-003-8406

MOUNT,TELESCOPE

Frequently Asked Questions

What is NSN 1240-01-140-2573?

NSN 1240-01-140-2573 is a Arm,support, manufactured by Us Army Aviation and Missile Command, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.

What part numbers are listed for NSN 1240-01-140-2573?

NSN 1240-01-140-2573 has 2 manufacturer part numbers on file: 12294162 (Us Army Aviation and Missile Command), 12294162 (U S Army Tank Automotive Command Amsta-Im-Mm).

What are the specifications of 12294162?

Key specifications for 12294162: General Characteristics Item Description: INVESTMENT CAST 304L STAINLESS PER AMS 5370; BLACK OXIDE FINISH PER MIL-C-13924,CLASS 4; OVERALL LENGTH 1.690 IN.; OVERALL WIDTH 0.720 IN.; OVERALL THICKNESS 0.510 IN.; CONTAINS HOLE 0.255 IN. DIA,1.030 IN. ALONG LENGTH,HOLE DIA EXTENDED TO 0.3515 IN.,0.970 ALONG LENGTH; 1 HOLE WITH KEYWAY 0.2505 IN. DIA THRU WIDTH; 2 HOLES THRU THICKNESS 0.125 IN. DIA NEARSIDE,.112-40UNC-2B FARSIDE; 2 SLOTS ALONG BOTH SIDES OF LENGTH 0.103 IN. WIDE,0.198 IN. LONG IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 1240-01-140-2573 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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