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Technical Data Sheet
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313973 — Technical Data Sheet

✓ Government record, cited
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include body_width: 1.620 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, overall_height: 1.810 INCHES NOMINAL IN, overall_length: 2.000 INCHES NOMINAL IN, mounting_method: THREADED HOLE(S) SINGLE GROUP, frequency_rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-001-9060, 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
313973
NSN: 5325-00-001-9060
NIINs: 000019060, 010923002
FSC: 5325 — Fastening Devices
CAGE: 1UVT5 — BRP US INC (USA)
SPECIFICATIONS
body_width1.620 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_height1.810 INCHES NOMINAL IN
overall_length2.000 INCHES NOMINAL IN
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size0.138 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
maximum_operating_temp130.0 CELSIUS DEGC
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_operating_current1.78 AMPERES AC NOMINAL SINGLE COMPONENT ALL SECONDARY
winding_operating_voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
NSN5325-00-001-9060
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 313973 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 2
810AS2186Possible match (shared part number)
Possible match (shared part number)
Possible match (shared part number)
4A28-50Possible match (shared part number)
Possible match (shared part number)
Possible match (shared part number)
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 313973?
313973 is a TRANSFORMER,POWER.
What parts can replace 313973?
There are 2 known substitutes for 313973: 810AS2186, 4A28-50. Substitute compatibility should be verified for your specific system.
What is the NSN for 313973?
313973 is cataloged in the U.S. Government catalog under NSN 5325-00-001-9060. 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.