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751732-1-2 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

751732-1-2: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: ALUMINUM ALLOY 6061, design_type: SOLID, end_diameter: 0.8200 INCHES MINIMUM AND 0.8300 INCHES MAXIMUM IN, bore_diameter: 0.6300 INCHES NOMINAL IN, overall_height: 0.1900 INCHES NOMINAL IN, special_features: 0.1940 IN. MIN AND 0.2000 IN.

MTG THRU HOLE DIA EIGHT PLACES IN. This part is cataloged in the U.S. Government catalog under NSN 5340-01-331-6091, 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
751732-1-2
NSN: 5340-01-331-6091
FSC: 5340 — Hardware, Commercial
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
design_typeSOLID
end_diameter0.8200 INCHES MINIMUM AND 0.8300 INCHES MAXIMUM IN
bore_diameter0.6300 INCHES NOMINAL IN
overall_height0.1900 INCHES NOMINAL IN
special_features0.1940 IN. MIN AND 0.2000 IN. MTG THRU HOLE DIA EIGHT PLACES IN
style_designatorSEAT
first_step_diameter2.8800 INCHES NOMINAL IN
material_hardness_rating45.0 ROCKWELL B MINIMUM
distance_from_end_to_first_step0.1100 INCHES NOMINAL IN
material_document_and_classificationAMS 4117 ASSN STD 1ST MATERIAL RESPONSE OR AMS 4027 ASSN STD 2ND MATERIAL RESPONSE
NSN5340-01-331-6091
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 751732-1-2 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
•
FIRST STEP DIAMETER: 2.8800 INCHES NOMINAL IN
•
MATERIAL HARDNESS RATING: 45.0 ROCKWELL B MINIMUM
•
END DIAMETER: 0.8200 INCHES MINIMUM AND 0.8300 INCHES MAXIMUM IN
•
DISTANCE FROM END TO FIRST STEP: 0.1100 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4117 ASSN STD 1ST MATERIAL RESPONSE OR AMS 4027 ASSN STD 2ND MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.1900 INCHES NOMINAL IN
FIRST STEP DIAMETER2.8800 INCHES NOMINAL IN
MATERIAL HARDNESS RATING45.0 ROCKWELL B MINIMUM
END DIAMETER0.8200 INCHES MINIMUM AND 0.8300 INCHES MAXIMUM IN
DISTANCE FROM END TO FIRST STEP0.1100 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4117 ASSN STD 1ST MATERIAL RESPONSE OR AMS 4027 ASSN STD 2ND MATERIAL RESPONSE
SPECIAL FEATURES0.1940 IN. MIN AND 0.2000 IN. MTG THRU HOLE DIA EIGHT PLACES IN
BORE DIAMETER0.6300 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 751732-1-2?
751732-1-2 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for 751732-1-2?
751732-1-2 is cataloged in the U.S. Government catalog under NSN 5340-01-331-6091. 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.