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305474-1057 PIECE 139 — Technical Data Sheet

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— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SWIVEL TUBE AND BRA is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, drive_end_style: RAISED SQUARE, surface_treatment: CHROMATE OVERALL, end_item_identification: G9B SOOT BLOWER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4930-01-116-8253, 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
305474-1057 PIECE 139
NSN: 4930-01-116-8253
FSC: 4930
CAGE: 17590 — DIAMOND POWER INTERNATIONAL, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
drive_end_styleRAISED SQUARE
surface_treatmentCHROMATE OVERALL
end_item_identificationG9B SOOT BLOWER
NSN4930-01-116-8253
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWIVEL TUBE AND BRA TITLE COMPONENT PN 305474-1057 PIECE 139 MFR SWIVEL TUBE AND BRA
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
305474-1057 PIECE-136InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
305474-1057InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
309110-1109InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
305474-1057 PIECE 1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
030886-1129InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
305474-1057 PC 138 ARR2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 305474-1057 PIECE 139?
305474-1057 PIECE 139 is a SWIVEL TUBE AND BRA.
What parts can replace 305474-1057 PIECE 139?
There are 10 known substitutes for 305474-1057 PIECE 139: 305474-1057 PIECE-136, 305474-1057, 309110-1109 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 305474-1057 PIECE 139?
305474-1057 PIECE 139 is cataloged in the Federal Logistics Information System under NSN 4930-01-116-8253. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: September 2026