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12992421 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12992421: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024, overall_width: 2.080 INCHES NOMINAL IN, overall_height: 6.000 INCHES NOMINAL IN, overall_length: 4.700 INCHES NOMINAL IN, surface_treatment: PAINT, mounting_hole_type: COUNTERSUNK. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-501-2899, 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
12992421
NSN: 5340-01-501-2899
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024
overall_width2.080 INCHES NOMINAL IN
overall_height6.000 INCHES NOMINAL IN
overall_length4.700 INCHES NOMINAL IN
special_featuresTHE 2 MOUNTING HOLES ON BASE OF ITEM MEASURE 0.228 IN WITH A COUNTERSUNK DIAMETER OF 0.450 IN; THE 2 HOLES ALONG HEIGHT HAVE A COUNTERSUNK DIAMETER OF 0.800 IN IN
surface_treatmentPAINT
mounting_hole_typeCOUNTERSUNK
mounting_hole_diameter0.438 INCHES NOMINAL IN
mounting_hole_quantity4
end_item_identification2350-01-061-2445
material_document_and_classificationSAE-AMS-QQ-A-250 NATIONAL SPEC SINGLE MATERIAL RESPONSE AND ASTM B209 NATIONAL SPEC SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyBRACKET, DMP
NSN5340-01-501-2899
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12992421 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: 4
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE-AMS-QQ-A-250 NATIONAL SPEC SINGLE MATERIAL RESPONSE AND ASTM B209 NATIONAL SPEC SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY4
OVERALL HEIGHT6.000 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONSAE-AMS-QQ-A-250 NATIONAL SPEC SINGLE MATERIAL RESPONSE AND ASTM B209 NATIONAL SPEC SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.438 INCHES NOMINAL IN
OVERALL LENGTH4.700 INCHES NOMINAL IN
OVERALL WIDTH2.080 INCHES NOMINAL IN
SPECIAL FEATURESTHE 2 MOUNTING HOLES ON BASE OF ITEM MEASURE 0.228 IN WITH A COUNTERSUNK DIAMETER OF 0.450 IN; THE 2 HOLES ALONG HEIGHT HAVE A COUNTERSUNK DIAMETER OF 0.800 IN IN
SURFACE TREATMENTPAINT
PART NAME ASSIGNED BY CONTROLLING AGENCYBRACKET, DMP
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12992421?
12992421 is a BRACKET,MOUNTING.
What is the NSN for 12992421?
12992421 is cataloged in the U.S. Government catalog under NSN 5340-01-501-2899. 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.