FRHM21 — CROWFOOT ATTACHMENT,SOCKET WRENC

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

FRHM21: CROWFOOT ATTACHMENT,SOCKET WRENC.

CROWFOOT ATTACHMENT,SOCKET WRENC. Key specifications include material: STEEL OVERALL, overall_length: 50.3 MILLIMETERS NOMINAL MM, drive_end_shape: SQUARE SINGLE END INTERNAL, style_designator: FLARE NUT, surface_treatment: CHROMIUM OVERALL, drive_surface_size: 0.375 INCHES NOMINAL SINGLE END IN. This part is cataloged in the U.S.

Government catalog under NSN 5120-01-355-1676, 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

FRHM21

NSN: 5120-01-355-1676
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
CAGE: 55719 — IDSC HOLDINGS LLC DIV SNAP-ON INDUSTRIAL, A DIV. OF IDSC HOLDINGS , LLC (USA)

SPECIFICATIONS

material	STEEL OVERALL
overall_length	50.3 MILLIMETERS NOMINAL MM
drive_end_shape	SQUARE SINGLE END INTERNAL
style_designator	FLARE NUT
surface_treatment	CHROMIUM OVERALL
drive_surface_size	0.375 INCHES NOMINAL SINGLE END IN
wrenching_surface_size	21.0 MILLIMETERS NOMINAL SINGLE END MM
wrenching_surface_shape	6 POINT SINGLE END INTERNAL
nondefinitive_spec/std_data	1 TYPE AND 2 CLASS
specification/standard_data	05047-ASME B107.100 CAT 21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN	5120-01-355-1676

COMPONENT DIAGRAM

KEY FEATURES

•

DRIVE SURFACE SIZE: 0.375 INCHES NOMINAL SINGLE END IN

•

WRENCHING SURFACE SIZE: 21.0 MILLIMETERS NOMINAL SINGLE END MM

•

STYLE DESIGNATOR: FLARE NUT

•

SPECIFICATION/STANDARD DATA: 05047-ASME B107.100 CAT 21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

•

NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 2 CLASS

•

WRENCHING SURFACE SHAPE: 6 POINT SINGLE END INTERNAL

•

DRIVE END SHAPE: SQUARE SINGLE END INTERNAL

TECHNICAL CHARACTERISTICS

DRIVE SURFACE SIZE	0.375 INCHES NOMINAL SINGLE END IN
WRENCHING SURFACE SIZE	21.0 MILLIMETERS NOMINAL SINGLE END MM
STYLE DESIGNATOR	FLARE NUT
OVERALL LENGTH	50.3 MILLIMETERS NOMINAL MM
SPECIFICATION/STANDARD DATA	05047-ASME B107.100 CAT 21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NONDEFINITIVE SPEC/STD DATA	1 TYPE AND 2 CLASS
WRENCHING SURFACE SHAPE	6 POINT SINGLE END INTERNAL
DRIVE END SHAPE	SQUARE SINGLE END INTERNAL
SURFACE TREATMENT	CHROMIUM OVERALL
MATERIAL	STEEL OVERALL

OTHER ITEMS IN FSC 5120 — Hand Tools, Nonedged, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5120-00-001-2642 5120-00-001-2644 5120-00-001-2650 5120-00-001-2651 5120-00-001-2652 5120-00-001-2653 5120-00-001-2654 5120-00-001-2655

SUBSTITUTES & CROSS-REFERENCES 4

B107.21Reference document

Same NSN cross-reference

Reference document — Secondary reference

B107.100 CAT 21 TY1CL2Reference document

Same NSN cross-reference

Reference document — Secondary reference

B107.100Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

B107.21 TY1CL2Reference 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 FRHM21?

FRHM21 is a CROWFOOT ATTACHMENT,SOCKET WRENC.

What parts can replace FRHM21?

There are 4 known substitutes for FRHM21: B107.21, B107.100 CAT 21 TY1CL2, B107.100 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for FRHM21?

FRHM21 is cataloged in the U.S. Government catalog under NSN 5120-01-355-1676. This indicates validated use in U.S. government and defense supply chains.

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