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37W89202-1 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

37W89202-1: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: STEEL COMP 4130, lip_thickness: 0.140 INCHES NOMINAL IN, overall_height: 1.880 INCHES NOMINAL IN, flange_thickness: 0.035 INCHES NOMINAL IN, style_designator: PARALLEL, end_hole_diameter: 0.260 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-656-2456, 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
37W89202-1
NSN: 5340-00-656-2456
FSC: 5340 — Hardware, Commercial
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 4130
lip_thickness0.140 INCHES NOMINAL IN
overall_height1.880 INCHES NOMINAL IN
flange_thickness0.035 INCHES NOMINAL IN
style_designatorPARALLEL
end_hole_diameter0.260 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
body_inside_diameter0.676 INCHES NOMINAL IN
body_outside_diameter0.750 INCHES NOMINAL IN
mounting_hole_diameter0.177 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_document_and_classificationSAE 4130 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-00-656-2456
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 37W89202-1 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 THICKNESS: 0.035 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PARALLEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 4130 ASSN STD SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.177 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 0.676 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.880 INCHES NOMINAL IN
FLANGE THICKNESS0.035 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
STYLE DESIGNATORPARALLEL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 4130 ASSN STD SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.177 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.676 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
LIP THICKNESS0.140 INCHES NOMINAL IN
MATERIALSTEEL COMP 4130
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 37W89202-1?
37W89202-1 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for 37W89202-1?
37W89202-1 is cataloged in the U.S. Government catalog under NSN 5340-00-656-2456. 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.