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40897 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

40897: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_width: 1.310 INCHES NOMINAL IN, head_style: HEXAGON, body_height: 2.060 INCHES NOMINAL IN, body_length: 2.560 INCHES NOMINAL IN, head_height: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-529-1728, 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
40897
NSN: 5305-00-529-1728
NIINs: 005291728, 007398362, 007886088, 015587183
FSC: 5305 — Screws
CAGE: 89926 — NEW HOLLAND CONSTRUCTION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_width1.310 INCHES NOMINAL IN
head_styleHEXAGON
body_height2.060 INCHES NOMINAL IN
body_length2.560 INCHES NOMINAL IN
head_height0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
point_styleFLAT
point_length0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
thread_class2A A
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
thread_length1.182 INCHES MINIMUM AND 1.183 INCHES MAXIMUM IN
inclosure_typeHERMETICALLY SEALED
NSN5305-00-529-1728
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 40897 · 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
KEY FEATURES
•
POINT DIAMETER: 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
POINT LENGTH: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.182 INCHES MINIMUM AND 1.183 INCHES MAXIMUM IN
•
POINT CHAMFER ANGLE: 30.0 DEGREES NOMINAL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
POINT DIAMETER0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
HEAD HEIGHT0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
POINT LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
FASTENER LENGTH1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM IN
THREAD LENGTH1.182 INCHES MINIMUM AND 1.183 INCHES MAXIMUM IN
POINT CHAMFER ANGLE30.0 DEGREES NOMINAL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
POINT STYLEFLAT
SUBSTITUTES & CROSS-REFERENCES 7
853634Reference document
Same NSN cross-reference
Reference document — Secondary reference
0040897Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
KC7875Reference document
Same NSN cross-reference
Reference document — Secondary reference
1503535Reference document
Same NSN cross-reference
Reference document — Secondary reference
GPW9183Reference document
Same NSN cross-reference
Reference document — Secondary reference
PC1503535Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 40897?
40897 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 40897?
There are 7 known substitutes for 40897: 853634, 0040897, KC7875 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40897?
40897 is cataloged in the U.S. Government catalog under NSN 5305-00-529-1728. 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.