SM-B-187554
View detailed technical data, stock status, and sourcing information for: SM-B-187554
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A thin flat metal or plastic item of various peripheral shapes having a solid or laminated cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole and having a solid rectangular cross-section use disk, solid, plain. Items with either (1) a solid (not laminated) cross-section, or (2) a non-separable laminated cross-section with one hole centrally located, must have a thickness less than 0.006 inch (0.152 mm) for items less than 1/4 inch (6.35 mm) outside diameter or shortest distance across peripheral flats, and less than 0.016 inch (0.406 mm) for items 1/4 inch (6.35 mm) or more outside diameter, or shortest distance across peripheral flats. For items with thickness greater than those indicated above, see spacer, plate; washer, flat and spacer, ring. When thickness and/or outside diameter or shortest distance across peripheral flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance. See also shim stock, laminated; shim stock assortment, gasket; and bearing, washer, thrust.
0.1406 inches nominal length from pivot pinhole centerline to point of engagement, 0.6562 inches nominal overall length, 0.129 inches nominal pivot pin hole diameter, pawl has hub with 0.164 in.dia set screw hole;pawl end is offset 90 deg to shaft hub;depth from pivot pinhole centerline to point of engagement:0.3588 in.nom;length from pivot pinhole centerline to point of engagement:0.335 in.nom;surface finish:phosphate coated and copper and cadmium special features, 0.0781 inches nominal material thickness
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Overall Length
- 0.6562 inches nominal
- Material Thickness
- 0.0781 inches nominal
- Pivot Pin Hole Diameter
- 0.129 inches nominal
- Length From Pivot Pinhole Centerline To Point Of Engagement
- 0.1406 inches nominal
- Special Features
- pawl has hub with 0.164 in.dia set screw hole;pawl end is offset 90 deg to shaft hub;depth from pivot pinhole centerline to point of engagement:0.3588 in.nom;length from pivot pinhole centerline to point of engagement:0.335 in.nom;surface finish:phosphate coated and copper and cadmium
- Material
- steel and copper alloy
- Style Designator
- rectangular, bottom hook
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 56613 | Pawl |
| 56613A | Pawl |
| SM-B-187554 | Pawl |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 3040-00-570-3492?
Does NSN 3040-00-570-3492 require demilitarization?
Does NSN 3040-00-570-3492 contain precious materials?
Does NSN 3040-00-570-3492 contain hazardous materials?
When the NSN 3040-00-570-3492 was assigned to the Federal Catalog?
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