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391981 — PRINTED CIRCUIT BOARD

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

391981: PRINTED CIRCUIT BOARD.

The PRINTED CIRCUIT BOARD is a the manufacturer industrial component. Key specifications include material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN, housing_bore_diameter: 3.5415 INCHES MINIMUM AND 3.5445 INCHES MAXIMUM IN, sealing_element_style: ANGULAR, end_item_identification: 6525-01-084-8924. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-732-9613, 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
391981
NSN: 2805-00-732-9613
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 65282 — WHITE MOTOR CORP (USA)
SPECIFICATIONS
materialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
housing_bore_diameter3.5415 INCHES MINIMUM AND 3.5445 INCHES MAXIMUM IN
sealing_element_styleANGULAR
end_item_identification6525-01-084-8924
accommodated_shaft_diameter2.750 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed1600 FEET PER MINUTE FT
NSN2805-00-732-9613
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PRINTED CIRCUIT BOARD TITLE COMPONENT PN 391981 MFR PRINTED CIRCUIT BOARD
SUBSTITUTES & CROSS-REFERENCES 2
7329613Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
500169Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 391981?
391981 is a PRINTED CIRCUIT BOARD.
What parts can replace 391981?
There are 2 known substitutes for 391981: 7329613, 500169. Substitute compatibility should be verified for your specific system.
What is the NSN for 391981?
391981 is cataloged in the U.S. Government catalog under NSN 2805-00-732-9613. 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.