161621 — SCREW,TAPPING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

161621: SCREW,TAPPING.

The SCREW,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: PAN NO. 2, head_height: 0.079 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN, head_diameter: 0.281 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN, fastener_length: 0.875 INCHES NOMINAL IN, special_features: HEAD STYLE,PAN SLOT DRIVE.

This part is cataloged in the U.S. Government catalog under NSN 5305-00-619-5410, 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

161621

NSN: 5305-00-619-5410
FSC: 5305 — Screws
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	PAN NO. 2
head_height	0.079 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN
head_diameter	0.281 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
fastener_length	0.875 INCHES NOMINAL IN
special_features	HEAD STYLE,PAN SLOT DRIVE
features_provided	CASEHARDENED
surface_treatment	CADMIUM OVERALL
internal_drive_style	SLOT
nonmachine_thread_style	GIMLET POINT (TYPE A, AB OR BA)
nondefinitive_spec/std_data	A TYPE
nonmachine_nominal_thread_diameter	0.151 INCHES IN
NSN	5305-00-619-5410

COMPONENT DIAGRAM

KEY FEATURES

•

NONMACHINE NOMINAL THREAD DIAMETER: 0.151 INCHES IN

•

HEAD HEIGHT: 0.079 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.875 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

NONMACHINE THREAD STYLE: GIMLET POINT (TYPE A, AB OR BA)

•

FEATURES PROVIDED: CASEHARDENED

•

HEAD STYLE: PAN NO. 2

•

NONDEFINITIVE SPEC/STD DATA: A TYPE

TECHNICAL CHARACTERISTICS

NONMACHINE NOMINAL THREAD DIAMETER	0.151 INCHES IN
HEAD HEIGHT	0.079 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN
FASTENER LENGTH	0.875 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NONMACHINE THREAD STYLE	GIMLET POINT (TYPE A, AB OR BA)
FEATURES PROVIDED	CASEHARDENED
HEAD STYLE	PAN NO. 2
NONDEFINITIVE SPEC/STD DATA	A TYPE
SPECIAL FEATURES	HEAD STYLE,PAN SLOT DRIVE
SURFACE TREATMENT	CADMIUM OVERALL

SUBSTITUTES & CROSS-REFERENCES 2

FFS107Reference document

Same NSN cross-reference

Reference document — Identification reference

FF-S-107 TYPE AReference document

Same NSN cross-reference

Reference document — Replaced / superseded reference

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 161621?

161621 is a SCREW,TAPPING.

What parts can replace 161621?

There are 2 known substitutes for 161621: FFS107, FF-S-107 TYPE A. Substitute compatibility should be verified for your specific system.

What is the NSN for 161621?

161621 is cataloged in the U.S. Government catalog under NSN 5305-00-619-5410. This indicates validated use in U.S. government and defense supply chains.

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