PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

39557Holder,electrical Contact Brush

Safran Power Usa Llc · NSN 5977-00-038-2949 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-038-2949 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-038-2949. Primary manufacturer part number: 39557.
Features
  • Holder,electrical Contact Brush — FSC 5977
  • Inside Thickness: 0.251 INCHES NOMINAL IN
  • Top Thread Location: INTERNAL
  • Mounting Facility: UNTHREADED HOLES AND SCREW
  • Thread Size and Series/type Designator: 0.375-24 UNF
  • Overall Diameter: 0.501 INCHES NOMINAL IN
  • Mounting Facility Quantity: 2
  • Inside Length: 0.344 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy Box construction
General Description

The Holder,electrical Contact Brush, cataloged under National Stock Number 5977-00-038-2949, is classified within Federal Supply Class 5977 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Safran Power Usa Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-038-2949
Primary Part Number39557
Item NameHolder,electrical Contact Brush
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerSafran Power Usa Llc
StatusACTIVE
Inside Thickness0.251 INCHES NOMINAL IN
Top Thread LocationINTERNAL
Mounting FacilityUNTHREADED HOLES AND SCREW
Thread Size and Series/type Designator0.375-24 UNF
Overall Diameter0.501 INCHES NOMINAL IN
Mounting Facility Quantity2
Inside Length0.344 INCHES NOMINAL IN
Thread Length0.250 INCHES NOMINAL IN
MaterialCOPPER ALLOY BOX
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-599-9105HD227 INTERCHANGEABLE
Gasket
Schramm, Inc.
3110-01-123-716029477 INTERCHANGEABLE
Bearing,ball,duplex
Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
6515-01-243-0539395.57 INTERCHANGEABLE
Coupler,fixation,orthopedic
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
2530-01-470-9841DSH12525-27 INTERCHANGEABLE
Brake,single Disk
Meritor Heavy Vehicle Systems, Llc
4030-01-534-4339 INTERCHANGEABLE
Hook,hoist
4810-01-575-983239557 INTERCHANGEABLE
Seat,valve
Rogerson Aircraft Corporation
Cross-Reference Index
Part NumberManufacturer
39557 PRIMARY Safran Power Usa Llc (USA)
39557 Ge Aviation Systems Llc (USA)
39557 Lucas Aerospace Power Equipment Corporation (USA)
Related Parts
5330-00-599-9105INTERCHANGEABLE
GASKET
HD227
3110-01-123-7160INTERCHANGEABLE
BEARING,BALL,DUPLEX
29477
6515-01-243-0539INTERCHANGEABLE
COUPLER,FIXATION,ORTHOPEDIC
395.57
2530-01-470-9841INTERCHANGEABLE
BRAKE,SINGLE DISK
DSH12525-27
4030-01-534-4339INTERCHANGEABLE
HOOK,HOIST
4810-01-575-9832INTERCHANGEABLE
SEAT,VALVE
39557

Frequently Asked Questions

What is NSN 5977-00-038-2949?

NSN 5977-00-038-2949 is a Holder,electrical Contact Brush, manufactured by Safran Power Usa Llc, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-038-2949?

NSN 5977-00-038-2949 has 3 cross-referenced part numbers: 39557 (Safran Power Usa Llc), 39557 (Ge Aviation Systems Llc), 39557 (Lucas Aerospace Power Equipment Corporation).

What NSN replaces 5977-00-038-2949?

There are 6 known substitutes for 5977-00-038-2949: 5330-00-599-9105, 3110-01-123-7160, 6515-01-243-0539 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 39557?

Key specifications for 39557: Inside Thickness: 0.251 INCHES NOMINAL IN; Top Thread Location: INTERNAL; Mounting Facility: UNTHREADED HOLES AND SCREW; Thread Size and Series/type Designator: 0.375-24 UNF. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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