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Technical Data Sheet
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123904 — ADAPTER RAIL,WEAPON MOUNTED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

123904: ADAPTER RAIL,WEAPON MOUNTED.

The ADAPTER RAIL,WEAPON MOUNTED is a the manufacturer industrial component. Key specifications include end_item_identification: AR-15 PIC RAIL BRASS CATCHER, part_name_assigned_by_controlling_agency: PICATINNY RAIL MOUNT. This part is cataloged in the U.S.

Government catalog under NSN 1005-01-686-3923, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
123904
NSN: 1005-01-686-3923
FSC: 1005 — Guns, Through 30mm
CAGE: 4MY54 — BATTENFELD TECHNOLOGIES INC. (USA)
SPECIFICATIONS
end_item_identificationAR-15 PIC RAIL BRASS CATCHER
part_name_assigned_by_controlling_agencyPICATINNY RAIL MOUNT
NSN1005-01-686-3923
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ADAPTER RAIL,WEAPON MOUNTED TITLE COMPONENT PN 123904 MFR ADAPTER RAIL,WEAPON MO
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYPICATINNY RAIL MOUNT
END ITEM IDENTIFICATIONAR-15 PIC RAIL BRASS CATCHER
OTHER ITEMS IN FSC 1005 — Guns, Through 30mm
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1005-00-000-0061 1005-00-001-2676 1005-00-001-5589 1005-00-002-0996 1005-00-003-1073 1005-00-003-2251 1005-00-003-2267 1005-00-003-2268
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 123904?
123904 is a ADAPTER RAIL,WEAPON MOUNTED.
What is the NSN for 123904?
123904 is cataloged in the U.S. Government catalog under NSN 1005-01-686-3923. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.