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134HM10021-1 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

134HM10021-1: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: ALUMINUM ALLOY 2014, overall_height: 0.719 INCHES NOMINAL IN, flange_diameter: 0.812 INCHES NOMINAL IN, flange_thickness: 0.091 INCHES NOMINAL IN, end_hole_diameter: 0.328 INCHES NOMINAL IN, surface_treatment: ANODIZE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-796-2694, 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
134HM10021-1
NSN: 5340-00-796-2694
FSC: 5340 — Hardware, Commercial
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2014
overall_height0.719 INCHES NOMINAL IN
flange_diameter0.812 INCHES NOMINAL IN
flange_thickness0.091 INCHES NOMINAL IN
end_hole_diameter0.328 INCHES NOMINAL IN
surface_treatmentANODIZE
outside_chamfer_depth0.040 INCHES NOMINAL IN
outside_chamfer_angle_in_deg45.0
material_document_and_classificationQQ-A-200/2 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-225/4, ALLOY 2014, T6 FED SPEC 2ND MATERIAL RESPONSE
surface_treatment_document_and_classificationMIL-A-8625, TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE
NSN5340-00-796-2694
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 134HM10021-1 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
•
FLANGE DIAMETER: 0.812 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625, TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE
•
FLANGE THICKNESS: 0.091 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-200/2 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-225/4, ALLOY 2014, T6 FED SPEC 2ND MATERIAL RESPONSE
•
OUTSIDE CHAMFER ANGLE IN DEG: 45.0
•
SURFACE TREATMENT: ANODIZE
•
MATERIAL: ALUMINUM ALLOY 2014
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER0.812 INCHES NOMINAL IN
OVERALL HEIGHT0.719 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625, TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE
FLANGE THICKNESS0.091 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/2 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-225/4, ALLOY 2014, T6 FED SPEC 2ND MATERIAL RESPONSE
OUTSIDE CHAMFER ANGLE IN DEG45.0
SURFACE TREATMENTANODIZE
MATERIALALUMINUM ALLOY 2014
OUTSIDE CHAMFER DEPTH0.040 INCHES NOMINAL IN
END HOLE DIAMETER0.328 INCHES NOMINAL IN
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 134HM10021-1?
134HM10021-1 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for 134HM10021-1?
134HM10021-1 is cataloged in the U.S. Government catalog under NSN 5340-00-796-2694. 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.