B637 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

B637: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include angle: 45.0 DEGREES, width: 1.500 INCHES NOMINAL IN, height: 0.812 INCHES NOMINAL IN, length: 1176.000 INCHES MINIMUM AND 1224.000 INCHES MAXIMUM IN, material: PLASTIC POLYVINYL FLUORIDE, roll_width: 12.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-050-4205, 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

MRO→ MRO_GENERAL→ B637

NSN: 4730-00-050-4205
NIINs: 000504205, 007173155, 010852500, 011182591, 011270648, 012198822, 015434088, 016672455
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 05463 — WHEELABRATOR-FRYE INC BALCRANK PRODUCTS (USA)

SPECIFICATIONS

angle	45.0 DEGREES
width	1.500 INCHES NOMINAL IN
height	0.812 INCHES NOMINAL IN
length	1176.000 INCHES MINIMUM AND 1224.000 INCHES MAXIMUM IN
material	PLASTIC POLYVINYL FLUORIDE
roll_width	12.000 INCHES NOMINAL IN
roll_length	98.0 FEET MINIMUM AND 102.0 FEET MAXIMUM FT
shank_length	0.187 INCHES NOMINAL IN
nominal_width	1.000 INCHES IN
inclosure_type	FULLY INCLOSED
nominal_length	20.000 INCHES IN
special_features	PERFORMANCE BASED LOGISTICS-STOCK AT VENDORS SITE-SUBMIT TO NAVICP VIA DAAS.
NSN	4730-00-050-4205

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.375 INCHES NOMINAL IN

•

ASSEMBLY CLEARANCE RADIUS: 0.406 INCHES MAXIMUM IN

•

SHANK LENGTH: 0.187 INCHES NOMINAL IN

•

STYLE DESIGNATOR: ANGLE

•

NOMINAL THREAD SIZE: 0.250 INCHES IN

•

HEIGHT: 0.812 INCHES NOMINAL IN

•

ANGLE: 45.0 DEGREES

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.375 INCHES NOMINAL IN
ASSEMBLY CLEARANCE RADIUS	0.406 INCHES MAXIMUM IN
SHANK LENGTH	0.187 INCHES NOMINAL IN
STYLE DESIGNATOR	ANGLE
NOMINAL THREAD SIZE	0.250 INCHES IN
HEIGHT	0.812 INCHES NOMINAL IN
ANGLE	45.0 DEGREES
SPECIAL FEATURES	GRUMMAN A10 AIRCRAFT
SCREW THREAD SERIES DESIGNATOR	SAE-LT
SURFACE TREATMENT	ZINC OVERALL

SUBSTITUTES & CROSS-REFERENCES 8

4301Reference document

Same NSN cross-reference

Reference document — Secondary reference

122-5277671 ITEM 33Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

9412350Reference document

Same NSN cross-reference

Reference document — Secondary reference

LEC00005000Reference document

Same NSN cross-reference

Reference document — Secondary reference

301081Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

105210Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is B637?

B637 is a TRANSFORMER,AUDIO FREQUENCY. It is classified as a MRO (MRO_GENERAL).

What parts can replace B637?

There are 8 known substitutes for B637: 4301, 122-5277671 ITEM 33, 9412350 and 5 more. Substitute compatibility should be verified for your specific system.

What is the NSN for B637?

B637 is cataloged in the U.S. Government catalog under NSN 4730-00-050-4205. This indicates validated use in U.S. government and defense supply chains.

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