Counterbalance, Opti1270-01-052-1957

NSN 1270-01-052-1957 · NIIN 010521957

FSC 1270 — Aircraft Gunnery Fire Control Components · FSG 12 — Fire Control Equipment

Government record, cited

Also searched as 1270-01-052-1957 · 1270010521957 · NIIN 010521957 · 01-052-1957 · FSC 1270 Aircraft Gunnery Fire Control Components

Nearby stock numbers ← 1270-01-052-1956 · 1270-01-052-1958 Bracket and Fasteners →

Features

Counterbalance,opti — FSC 1270
General Characteristics Item Description: FLAT CYLINDER OF TUNGSTEN ALLOY WITH CADMIUM PLATE FINISH PER QQ-P-416,TYPE II,CLASS 2,WEIGHT 0.135 LB.,OUTSIDE DIAMETER 0.875 IN.,HEIGHT 0.375 IN.,COUNTERSUNK HOLE THROUGH CENTER WITH 0.200 IN. DIAMETER LBS

Identification

NSN: 1270-01-052-1957
NIIN: 010521957
FSC: 1270 — Aircraft Gunnery Fire Control Components
FSG: 12 — Fire Control Equipment

General Description

The Counterbalance,opti, cataloged under National Stock Number 1270-01-052-1957, is classified within Federal Supply Class 1270 (Aircraft Gunnery Fire Control Components) of the Fire Control Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	1270-01-052-1957
Item Name	Counterbalance,opti
FSC / FSG	1270 / 12 — Aircraft Gunnery Fire Control Components
Status	ACTIVE
General Characteristics Item Description	FLAT CYLINDER OF TUNGSTEN ALLOY WITH CADMIUM PLATE FINISH PER QQ-P-416,TYPE II,CLASS 2,WEIGHT 0.135 LB.,OUTSIDE DIAMETER 0.875 IN.,HEIGHT 0.375 IN.,COUNTERSUNK HOLE THROUGH CENTER WITH 0.200 IN. DIAMETER LBS

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
113B3797P10	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 1270 — Aircraft Gunnery Fire Control Components

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

1270-00-005-2054

TELESCOPE,SPOTTING

1270-00-026-4378

1270-00-026-4378 · Item name not on file

1270-00-026-4379

1270-00-026-4379 · Item name not on file

1270-00-030-7735

1270-00-030-7735 · Item name not on file

1270-00-030-7736

1270-00-030-7736 · Item name not on file

1270-00-057-2854

1270-00-057-2854 · Item name not on file

1270-00-061-3062

1270-00-061-3062 · Item name not on file

1270-00-080-8633

BLANK,ADAPTER

Frequently Asked Questions

What is NSN 1270-01-052-1957?

NSN 1270-01-052-1957 is a Counterbalance,opti, classified under FSC 1270, Aircraft Gunnery Fire Control Components. Status: active.

What are the specifications of 1270-01-052-1957?

Key specifications for 1270-01-052-1957: General Characteristics Item Description: FLAT CYLINDER OF TUNGSTEN ALLOY WITH CADMIUM PLATE FINISH PER QQ-P-416,TYPE II,CLASS 2,WEIGHT 0.135 LB.,OUTSIDE DIAMETER 0.875 IN.,HEIGHT 0.375 IN.,COUNTERSUNK HOLE THROUGH CENTER WITH 0.200 IN. DIAMETER LBS; End Item Identification: AN/ASG-30 LEAD COMPUTING OPTICAL SIGHT SYSTEM. 1 specification is documented in the U.S. Government catalog.

Is NSN 1270-01-052-1957 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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