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37310 — TRANSFORMER,POWER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

37310: TRANSFORMER,POWER.

The TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, body_width: 2.844 INCHES NOMINAL IN, body_height: 3.125 INCHES NOMINAL IN, body_length: 3.125 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-753-1851, 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
37310
NSN: 5331-00-753-1851
NIINs: 007531851, 009135148, 012948739, 013078915, 013397951, 013804097, 015570557, 016519797
FSC: 5331 — O-ring
CAGE: 71871 — ALFA LAVAL INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
body_width2.844 INCHES NOMINAL IN
body_height3.125 INCHES NOMINAL IN
body_length3.125 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
special_features2.5 GALLON CONCENTRATE TO MAKE 100 LITERS
reliability_indicatorNOT ESTABLISHED
cross-sectional_height0.350 INCHES NOMINAL IN
mounting_hole_diameter0.201 INCHES NOMINAL SINGLE GROUP IN
end_item_identificationF107-WR-100
NSN5331-00-753-1851
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 37310 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
•
CROSS-SECTIONAL HEIGHT: 0.350 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.350 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 1
5331PL0645044Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 37310?
37310 is a TRANSFORMER,POWER.
What parts can replace 37310?
There is 1 known substitute for 37310: 5331PL0645044. Substitute compatibility should be verified for your specific system.
What is the NSN for 37310?
37310 is cataloged in the U.S. Government catalog under NSN 5331-00-753-1851. 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.