P343-0291-000
View detailed technical data, stock status, and sourcing information for: P343-0291-000
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An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
2a thread class, 0.700 inches minimum and 0.750 inches maximum thread length, 0.750 inches nominal fastener length, pan head style, right-hand thread direction
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.700 inches minimum and 0.750 inches maximum
- Fastener Length
- 0.750 inches nominal
- Head Style
- pan
- Head Diameter
- 0.205 inches minimum and 0.219 inches maximum
- Head Height
- 0.070 inches minimum and 0.080 inches maximum
- Internal Drive Style
- cross recess type 1
- End Item Identification
- w/s:aircraft, hercules c-130; airborne mobile dir air spt ctl (2id), (02m jul83)(an/uyq-3a); aircraft, hawkeye e-2c; aircraft, viking s-3b; aircraft, b-2 bomber (atb); osprey class mhc; aircraft, stratofortress b-52; avenger class mcm; tactical air opns module (an/tyq-(23))
- Nominal Thread Diameter
- 0.112 inches
- Thread Quantity Per Inch
- 40
- Minimum Tensile Strength
- 57000 pounds per square inch
- Screw Material
- copper alloy
- Screw Material Document And Classification
- qq-b-626 fed spec single material response or qq-w-321 fed spec single material response
- Thread Series Designator
- unc
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-011-7620 | No Name Available | 09/01/2023 |
| 5305-00-151-0039 | No Name Available | 09/08/1967 |
| 5305-00-290-3006 | Machine Screw | 07/01/2025 |
| 5305-00-297-4366 | No Name Available | 07/23/2019 |
| 5305-00-531-0333 | No Name Available | 01/01/1983 |
| 5305-00-619-1160 | No Name Available | 03/24/1998 |
| 5305-00-638-8083 | No Name Available | 06/01/1979 |
| 5305-00-811-7318 | No Name Available | 01/01/1983 |
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| P343-0291-000 | Machine Screw |
| P68756P68758 | Machine Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-059-8243?
Does the NSN 5305-00-059-8243 have a Schedule B code assigned?
Does NSN 5305-00-059-8243 require demilitarization?
Does NSN 5305-00-059-8243 contain precious materials?
Does NSN 5305-00-059-8243 contain hazardous materials?
When the NSN 5305-00-059-8243 was assigned to the Federal Catalog?
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Pricing
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