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NSN 1240-01-657-1392Government record, cited

Holder, Optical Element1240-01-657-1392

NSN 1240-01-657-1392 · NIIN 016571392 · Part number 5192-00
Seco Manufacturing Co, Inc · FSC 1240 — Optical Sighting and Ranging Equipment · FSG 12 — Fire Control Equipment · CAGE 4W280
Government record, cited
NSN 1240-01-657-1392 — this item is cataloged by the U.S. Government under National Stock Number 1240-01-657-1392. Manufacturer of record part number: 5192-00.
Also searched as  1240-01-657-1392 · 1240016571392 · NIIN 016571392 · 01-657-1392 · FSC 1240 Optical Sighting and Ranging Equipment · CAGE 4W280 · 5192-00
Nearby stock numbers  ·
Features
  • Holder,optical Element — FSC 1240
  • Material: STEEL
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Seco Manufacturing Co, Inc
Identification
  • NSN: 1240-01-657-1392
  • NIIN: 016571392
  • FSC: 1240 — Optical Sighting and Ranging Equipment
  • FSG: 12 — Fire Control Equipment
  • Primary part number: 5192-00
  • Manufacturer: Seco Manufacturing Co, Inc
General Description

The Holder,optical Element, cataloged under National Stock Number 1240-01-657-1392, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Seco Manufacturing Co, Inc. 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
ParameterValue
NSN1240-01-657-1392
Primary Part Number5192-00
Item NameHolder,optical Element
FSC / FSG1240 / 12 — Optical Sighting and Ranging Equipment
ManufacturerSeco Manufacturing Co, Inc
StatusACTIVE
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
5192-00 Ultimate Positioning Group Pty Ltd (AUS)
5192-00 PRIMARY Seco Manufacturing Co, Inc (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.
1240-00-764-4734
SUNSHADE
1240-00-987-5071
1240-00-987-5071 · Item name not on file
1240-01-068-6676
HOLDER,OPTICAL ELEMENT
1240-01-082-8849
SIGHT,INFINITY
1240-01-090-0609
1240-01-090-0609 · Item name not on file
1240-01-102-4266
1240-01-102-4266 · Item name not on file
1240-01-110-9897
1240-01-110-9897 · Item name not on file
1240-01-361-6090
COLLIMATOR,INFINITY AIMING REFER

Frequently Asked Questions

What is NSN 1240-01-657-1392?

NSN 1240-01-657-1392 is a Holder,optical Element, manufactured by Seco Manufacturing Co, Inc, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.

What part numbers are listed for NSN 1240-01-657-1392?

NSN 1240-01-657-1392 has 2 manufacturer part numbers on file: 5192-00 (Ultimate Positioning Group Pty Ltd), 5192-00 (Seco Manufacturing Co, Inc).

What are the specifications of 5192-00?

Key specifications for 5192-00: Overall Length: 3.37 INCHES NOMINAL IN; Special Features: 1.26 LBS, 64MM OD LBS; Part Name Assigned by Controlling Agency: HOLDER, OPTICAL ELEMENT; Material: STEEL. 1 specification is documented in the U.S. Government catalog.

Is NSN 1240-01-657-1392 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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