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A1-39076D — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A1-39076D: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include overall_width: 1.650 INCHES NOMINAL IN, overall_height: 2.97 INCHES NOMINAL IN, mounting_hole_type: THREADED, mounting_hole_diameter: 0.090 INCHES NOMINAL IN, end_item_identification: 5855-01-432-0524, part_name_assigned_by_controlling_agency: BRACKET ECH, HELMET ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-620-0387, 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
A1-39076D
NSN: 5340-01-620-0387
FSC: 5340 — Hardware, Commercial
CAGE: 14850 — ARMY, UNITED STATES DEPARTMENT OF THE DBA DIORECTORATE OF PRODUCTION ENGINEERING DIV TOBYHANNA ARMY DEPOT (USA)
SPECIFICATIONS
overall_width1.650 INCHES NOMINAL IN
overall_height2.97 INCHES NOMINAL IN
mounting_hole_typeTHREADED
mounting_hole_diameter0.090 INCHES NOMINAL IN
mounting_hole_quantity2
end_item_identification5855-01-432-0524
part_name_assigned_by_controlling_agencyBRACKET ECH, HELMET ASSEMBLY
NSN5340-01-620-0387
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A1-39076D MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MOUNTING HOLE QUANTITY: 2
•
MOUNTING HOLE DIAMETER: 0.090 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: THREADED
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY2
OVERALL HEIGHT2.97 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.090 INCHES NOMINAL IN
OVERALL WIDTH1.650 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBRACKET ECH, HELMET ASSEMBLY
END ITEM IDENTIFICATION5855-01-432-0524
MOUNTING HOLE TYPETHREADED
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A1-39076D?
A1-39076D is a BRACKET,MOUNTING.
What is the NSN for A1-39076D?
A1-39076D is cataloged in the U.S. Government catalog under NSN 5340-01-620-0387. 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.