191981 — CABLE ASSEMBLY,RADIO FREQUENCY

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

191981: CABLE ASSEMBLY,RADIO FREQUENCY.

The CABLE ASSEMBLY,RADIO FREQUENCY is a the manufacturer cable assembly designed for reliable internal or external connectivity in enterprise server and storage environments. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.359 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, thread_length: 0.361 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN, fastener_length: 0.500 INCHES NOMINAL IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM PRIMARY WASHER. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-285-1386, 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

191981

NSN: 5305-00-285-1386
NIINs: 002851386, 011151564
FSC: 5305 — Screws
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)

SPECIFICATIONS

head_style	FLAT COUNTERSUNK
thread_class	2A A
head_diameter	0.359 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
thread_length	0.361 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN
fastener_length	0.500 INCHES NOMINAL IN
hardness_rating	40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM PRIMARY WASHER
washer_quantity	1
thread_direction	RIGHT-HAND
countersink_angle	80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
surface_treatment	CADMIUM OR ZINC OVERALL
internal_drive_style	CROSS RECESS TYPE 1
primary_washer_style	FLAT EXTERNAL TEETH
NSN	5305-00-285-1386

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 0.500 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL

•

PRIMARY WASHER OUTSIDE DIAMETER: 0.395 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.361 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN

•

HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM PRIMARY WASHER

•

MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

TYPICAL APPLICATIONS

Server Internal Cabling
Data Center Cable Infrastructure
SAS/SATA Drive Connectivity

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	0.500 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
PRIMARY WASHER OUTSIDE DIAMETER	0.395 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
THREAD LENGTH	0.361 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN
HARDNESS RATING	40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM PRIMARY WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
PRIMARY WASHER STYLE	FLAT EXTERNAL TEETH
THREAD DIRECTION	RIGHT-HAND

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 191981?

191981 is a CABLE ASSEMBLY,RADIO FREQUENCY.

What is the NSN for 191981?

191981 is cataloged in the U.S. Government catalog under NSN 5305-00-285-1386. This indicates validated use in U.S. government and defense supply chains.

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191981 — CABLE ASSEMBLY,RADIO FREQUENCY

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