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PartsTable / COMPONENT / M19-21121-D PC132
M19-21121-D PC132 ✓ Verified by PartsTable
— · 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

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, thread_length: 0.750 INCHES NOMINAL IN, fastener_length: 0.750 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-467-6448, 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
M19-21121-D PC132
NSN: 5305-01-467-6448
FSC: 5305
CAGE: 9F512 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC PUMP DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
thread_length0.750 INCHES NOMINAL IN
fastener_length0.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentOXIDE OVERALL
width_between_flats0.592 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch16
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
material_document_and_classificationANSI/ASMEB1.1 ASSN STD 1ST MATERIAL RESPONSE OR SAEJ429,GR2 ASSN STD 2ND MATERIAL RESPONSE OVERALL
NSN5305-01-467-6448
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: M19-21121-D PC132 · OEM ⚠ 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: ANSI/ASMEB1.1 ASSN STD 1ST MATERIAL RESPONSE OR SAEJ429,GR2 ASSN STD 2ND MATERIAL RESPONSE OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: SAEJ123 ASSN STD 1ST TREATMENT RESPONSE OR ASTMF593,BLACKOXIDEORCHEMICALCOATED ASSN STD 2ND TREATMENT RESPONSE OVERALL
•
SURFACE TREATMENT: OXIDE OVERALL
•
MATERIAL: STEEL OVERALL
•
THREAD QUANTITY PER INCH: 16
•
THREAD LENGTH: 0.750 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONANSI/ASMEB1.1 ASSN STD 1ST MATERIAL RESPONSE OR SAEJ429,GR2 ASSN STD 2ND MATERIAL RESPONSE OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONSAEJ123 ASSN STD 1ST TREATMENT RESPONSE OR ASTMF593,BLACKOXIDEORCHEMICALCOATED ASSN STD 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
MATERIALSTEEL OVERALL
THREAD QUANTITY PER INCH16
THREAD LENGTH0.750 INCHES NOMINAL IN
FASTENER LENGTH0.750 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.592 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
4594493-ITEM-34Interchangeable
interchangeable cross-reference
interchangeable
MS35307-358Interchangeable
interchangeable cross-reference
interchangeable
306-16124Interchangeable
interchangeable cross-reference
interchangeable
PL-M19-21121-D PC 132Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M19-21121-D PC132?
M19-21121-D PC132 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace M19-21121-D PC132?
There are 4 known substitutes for M19-21121-D PC132: 4594493-ITEM-34, MS35307-358, 306-16124 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M19-21121-D PC132?
M19-21121-D PC132 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-467-6448. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026