PartsTable
Technical Data Sheet
179881 ✓ Verified by PartsTable
Manhattan · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

Over-ear USB Headset - affordable, quality stereo sound for home and office<br>The Manhattan Stereo USB Headset is your versatile audio tool for common calling applications, such as Skype, Teams or Zoom, across all platforms and operating systems. Whether you're participating in a conference call, listening to a webinar or enjoying your favorite playlist, you’ll get reliably clear digital stereo sound quality from generously sized 40 mm drivers every time.<br><br>Plug and play, easy to use and wired for business<br><br>Ready to go out of the box, this USB Headset lets you start talking and listening as soon as you plug its single USB-A connector into your device. It works no matter what operating system your device supports, and you never have to worry about empty batteries since it's USB powered.<br><br>Comfortable all-day wear<br><br>The USB Headset's lightweight, adjustable, padded headband features ultra-soft over-ear cushions that give hours of comfort.

You can easily reposition t This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-017-9881, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
179881
NSN: 5305-00-017-9881
FSC: 5305
CAGE: 29930 — INTERNATIONAL HARVESTER CO AGRICULTURAL EQUIPMENT DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
thread_class2A A
thread_length1.000 INCHES NOMINAL IN
fastener_length1.000 INCHES NOMINAL IN
hardness_rating23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_between_flats0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
nominal_thread_diameter0.500 INCHES IN
minimum_tensile_strength120000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch13
NSN5305-00-017-9881
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 179881 · Manhattan ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 10P STYLE AND 5 GRADE
MATERIAL: STEEL OVERALL
HARDNESS RATING: 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
MINIMUM TENSILE STRENGTH: 120000 POUNDS PER SQUARE INCH LBS
THREAD CLASS: 2A A
HEAD HEIGHT: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 10P STYLE AND 5 GRADE
MATERIALSTEEL OVERALL
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MINIMUM TENSILE STRENGTH120000 POUNDS PER SQUARE INCH LBS
THREAD CLASS2A A
HEAD HEIGHT0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
THREAD QUANTITY PER INCH13
FASTENER LENGTH1.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
PA11867Interchangeable
interchangeable cross-reference
interchangeable
19627Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
DOHZ2573-AInterchangeable
interchangeable cross-reference
interchangeable
0092300700Interchangeable
interchangeable cross-reference
interchangeable
4099Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 179881?
179881 is a SCREW,CAP,HEXAGON HEAD manufactured by Manhattan.
What parts can replace 179881?
There are 20 known substitutes for 179881: PA11867, 19627, AMS-QQ-A-200/3 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 179881?
179881 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-017-9881. This indicates validated use in U.S. government and defense supply chains.
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