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51538 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 SHANK, grip_length: 0.700 INCHES MINIMUM AND 0.720 INCHES MAXIMUM IN, head_diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, actuation_type: PULL AND PUSH, shank_diameter: 0.1870 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN, style_designator: L HANDLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-372-6289, 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
51538
NSN: 5340-00-372-6289
FSC: 5340
CAGE: 72264 — ANGUS ELECTRONICS CO SUB OF ESTERLINE CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 SHANK
grip_length0.700 INCHES MINIMUM AND 0.720 INCHES MAXIMUM IN
head_diameter0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
actuation_typePULL AND PUSH
shank_diameter0.1870 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
detent_quantity1
style_designatorL HANDLE
surface_treatmentCADMIUM SHANK
pin_attachment_typeRING
shoulder_to_head_end_distance0.825 INCHES MINIMUM AND 0.925 INCHES MAXIMUM IN
detent_to_tapered_end_distance0.219 INCHES MAXIMUM IN
pin_center_to_handle_end_distance1.158 INCHES MINIMUM AND 1.218 INCHES MAXIMUM IN
NSN5340-00-372-6289
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 51538 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
•
BOLT TYPE: REVERSIBLE BEVEL
•
SURFACE TREATMENT: ZINC CASE
•
OPERATION METHOD: LATCH LATCH BOLT
•
MATERIAL: STEEL CASE
•
ACTION TYPE: SPRING
TECHNICAL CHARACTERISTICS (FLIS)
BOLT TYPEREVERSIBLE BEVEL
SURFACE TREATMENTZINC CASE
OPERATION METHODLATCH LATCH BOLT
MATERIALSTEEL CASE
ACTION TYPESPRING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
51538Interchangeable
interchangeable cross-reference
interchangeable
7502410Interchangeable
interchangeable cross-reference
interchangeable
6-6 130138Interchangeable
interchangeable cross-reference
interchangeable
1611370Interchangeable
interchangeable cross-reference
interchangeable
3300X6Interchangeable
interchangeable cross-reference
interchangeable
LA3SL700Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51538?
51538 is a RESISTOR,FIXED,WIRE WOUND.
What parts can replace 51538?
There are 8 known substitutes for 51538: 51538, 7502410, 6-6 130138 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51538?
51538 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-372-6289. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026